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Buy October Birthstones Gems

(4422)
October Birthstones Weight October Birthstones Size October Birthstones Clarity October Birthstones Price October Birthstones Origin
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33.73ct Loose Boulder Opal | 33.73 ct Fancy Boulder Opal, 35.2 x 23.5 mm From Australia, Photo A
Click for Product Video (524127)

33.73 ct Fancy Boulder Opal, 35.2 x 23.5 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 33.73 carat weight Boulder Opal

33.73ct1 Piece
$ 185.52
35.2 x 23.5 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 33.73 ct Boulder Opal
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Size: 35.2 x 23.5 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Translucent Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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8.15ct Loose Tourmaline | 8.15 carat Blue Tourmaline, Carved Fruit loose Tourmaline from Mozambique, Natural Untreated Gem, 20 x 18.3 mm, Photo A
8.15ct1 Piece
$ 287.36
20 x 18.3 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 8.15 ct Tourmaline
Tourmaline Shape: Carved Fruit Tourmaline
Tourmaline Size: 20 x 18.3 mm Tourmaline
Tourmaline Color: Deep Navy Blue Tourmaline
Tourmaline Clarity: Transparent Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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2.25ct Loose Black Opal | 2.25 carat Pear Shape Black Opal, loose Certified Black Opal from Ethiopia, Natural Gem, 14.3 x 8.5 mm, Photo A
2.25ct1 Piece
$ 56.81
14.3 x 8.5 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 2.25 ct Black Opal
Black Opal Shape: Pear Facet Black Opal
Black Opal Size: 14.3 x 8.5 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
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0.64ct Loose Chocolate Opal | 0.64 ct Round Chocolate Opal, 6 mm From Ethiopia, Photo A

0.64 ct Round Chocolate Opal, 6 mm From Ethiopia

Natural Chocolate Opal, Qty: 1 pc | 0.64 carat weight Chocolate Opal

0.64ct1 Piece
$ 21.12
6 mm
Item Description
Stone Type: Loose Chocolate Opal
Chocolate Opal Weight: 0.64 ct Chocolate Opal
Chocolate Opal Shape: Round Cabochon Chocolate Opal
Chocolate Opal Size: 6 mm Chocolate Opal
Chocolate Opal Color: Multicolor Chocolate Opal
Chocolate Opal Clarity: Translucent Chocolate Opal
Chocolate Opal Origin: Ethiopia Chocolate Opal
Chocolate Opal Treatment: Untreated
Chocolate Opal Quantity: 1
Chocolate Opal Certificate: GemSelect
Product Description:
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2.12ct Loose Tourmaline | 2.12 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 18.9 x 3.5 mm, Photo A
2.12ct1 Piece
$ 90.95
18.9 x 3.5 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 2.12 ct Tourmaline
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Size: 18.9 x 3.5 mm Tourmaline
Tourmaline Color: Dark Green Tourmaline
Tourmaline Clarity: VVS-VS Tourmaline
Tourmaline Origin: Tanzania Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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4.12ct Loose Tourmaline | 4.12 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16 x 5.5 mm, Photo A
Click for Product Video (704354)
4.12ct1 Piece
$ 618.00
16 x 5.5 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 4.12 ct Tourmaline
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Size: 16 x 5.5 mm Tourmaline
Tourmaline Color: Light Mint Green Tourmaline
Tourmaline Clarity: VVS-VS Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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20.55ct Loose Boulder Opal | 20.55 carat Pear Boulder Opal, loose Certified Boulder Opal from Australia, Natural Untreated Gem, 31.9 x 16.1 mm, Photo A
20.55ct1 Piece
$ 113.03
31.9 x 16.1 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 20.55 ct Boulder Opal
Boulder Opal Shape: Pear Cabochon Boulder Opal
Boulder Opal Size: 31.9 x 16.1 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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28.58ct Loose Boulder Opal | 28.58 ct Oval Boulder Opal, 23.1 x 18.5 mm From Australia, Photo A
Click for Product Video (300453)

28.58 ct Oval Boulder Opal, 23.1 x 18.5 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 28.58 carat weight Boulder Opal

28.58ct1 Piece
$ 200.06
23.1 x 18.5 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 28.58 ct Boulder Opal
Boulder Opal Shape: Oval Cabochon Boulder Opal
Boulder Opal Size: 23.1 x 18.5 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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2.41ct Loose Tourmaline | 2.41 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18 x 4 mm, Photo A
2.41ct1 Piece
$ 66.28
18 x 4 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 2.41 ct Tourmaline
Tourmaline Shape: Octagon Facet Tourmaline
Tourmaline Size: 18 x 4 mm Tourmaline
Tourmaline Color: Green Tourmaline
Tourmaline Clarity: VVS-VS Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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1.47ct Loose Fire Opal | 1.47 ct Oval Cut Fire Opal, 8.1 x 6.1 mm From Mexico, Photo A

1.47 ct Oval Cut Fire Opal, 8.1 x 6.1 mm From Mexico

Natural Fire Opal, Qty: 2 pcs | 1.47 carat weight Fire Opal

1.47ct (total)2 Pieces
$ 40.43
8.1 x 6.1 mm
Item Description
Stone Type: Loose Fire Opal
Fire Opal Weight: 0.74 ct Fire Opal
Fire Opal Shape: Oval Facet Fire Opal
Fire Opal Size: 8.1 x 6.1 mm Fire Opal
Fire Opal Color: Bright Orange Fire Opal
Fire Opal Clarity: Translucent Fire Opal
Fire Opal Origin: Mexico Fire Opal
Fire Opal Treatment: Untreated
Fire Opal Quantity: 2
Fire Opal Certificate: GemSelect
Product Description:
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1.54ct Loose Tourmaline | 1.54 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.1 x 5.7 mm, Photo A
1.54ct1 Piece
$ 237.16
8.1 x 5.7 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 1.54 ct Tourmaline
Tourmaline Shape: Oval Facet Tourmaline
Tourmaline Size: 8.1 x 5.7 mm Tourmaline
Tourmaline Color: Light Hot Pink Tourmaline
Tourmaline Clarity: VVS-VS Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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2.17ct Loose Black Opal | 2.17 ct Marquise Cut Black Opal, 17.4 x 7 mm From Ethiopia, Photo A

2.17 ct Marquise Cut Black Opal, 17.4 x 7 mm From Ethiopia

Natural Black Opal, Qty: 1 pc | 2.17 carat weight Black Opal

2.17ct1 Piece
$ 54.79
17.4 x 7 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 2.17 ct Black Opal
Black Opal Shape: Marquise Facet Black Opal
Black Opal Size: 17.4 x 7 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
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35.80ct Loose Boulder Opal | 35.8 ct Fancy Boulder Opal, 36.6 x 19.7 mm From Australia, Photo A
Click for Product Video (575232)

35.8 ct Fancy Boulder Opal, 36.6 x 19.7 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 35.80 carat weight Boulder Opal

35.80ct1 Piece
$ 118.14
36.6 x 19.7 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 35.80 ct Boulder Opal
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Size: 36.6 x 19.7 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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21.16ct Loose Boulder Opal | 21.16 ct Fancy Boulder Opal, 25.6 x 16.9 mm From Australia, Photo A
Click for Product Video (678766)

21.16 ct Fancy Boulder Opal, 25.6 x 16.9 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 21.16 carat weight Boulder Opal

21.16ct1 Piece
$ 105.80
25.6 x 16.9 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 21.16 ct Boulder Opal
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Size: 25.6 x 16.9 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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1.34ct Loose Black Opal | 1.34 ct Oval Black Opal, 9 x 7 mm From Ethiopia, Photo A

1.34 ct Oval Black Opal, 9 x 7 mm From Ethiopia

Natural Black Opal, Qty: 1 pc | 1.34 carat weight Black Opal

1.34ct1 Piece
$ 30.86
9 x 7 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.34 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 9 x 7 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
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46.76ct Loose Opal | 46.76 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 37 x 23.5 mm, Photo A
46.76ct1 Piece
$ 140.28
37 x 23.5 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 46.76 ct Opal
Opal Shape: Oval Cabochon Opal
Opal Size: 37 x 23.5 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Opaque Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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1.50ct Loose Opal | 1.5 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 11.8 x 7.9 mm, Photo A
1.50ct1 Piece
$ 31.50
11.8 x 7.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.50 ct Opal
Opal Shape: Pear Cabochon Opal
Opal Size: 11.8 x 7.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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2.01ct Loose Black Opal | 2.01 carat Pear Shape Black Opal, loose Certified Black Opal from Ethiopia, Natural Gem, 15.1 x 9.8 mm, Photo A
2.01ct1 Piece
$ 50.75
15.1 x 9.8 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 2.01 ct Black Opal
Black Opal Shape: Pear Facet Black Opal
Black Opal Size: 15.1 x 9.8 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
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1.25ct Loose Opal | 1.25 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 10.2 x 7.9 mm, Photo A
1.25ct1 Piece
$ 30.25
10.2 x 7.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.25 ct Opal
Opal Shape: Pear Cabochon Opal
Opal Size: 10.2 x 7.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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1.70ct Loose Opal | 1.7 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gem, 10.4 x 7.8 mm, Photo A
1.70ct1 Piece
$ 43.06
10.4 x 7.8 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.70 ct Opal
Opal Shape: Oval Facet Opal
Opal Size: 10.4 x 7.8 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Smoked
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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1.29ct Loose Black Opal | 1.29 ct Oval Cut Black Opal, 9.3 x 7.2 mm From Ethiopia, Photo A

1.29 ct Oval Cut Black Opal, 9.3 x 7.2 mm From Ethiopia

Natural Black Opal, Qty: 1 pc | 1.29 carat weight Black Opal

1.29ct1 Piece
$ 32.57
9.3 x 7.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.29 ct Black Opal
Black Opal Shape: Oval Facet Black Opal
Black Opal Size: 9.3 x 7.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
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24.08ct Loose Tourmaline | 24.08 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 17.4 x 14.5 mm, Photo A
Click for Product Video (417191)
24.08ct1 Piece
$ 4,816.00
17.4 x 14.5 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 24.08 ct Tourmaline
Tourmaline Shape: Oval Facet Tourmaline
Tourmaline Size: 17.4 x 14.5 mm Tourmaline
Tourmaline Color: Forest Green Tourmaline
Tourmaline Clarity: VVS Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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0.89ct Loose Opal | 0.89 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gems, 6.8 x 5 mm, Photo A
0.89ct (total)2 Pieces
$ 244.75
6.8 x 5 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.45 ct Opal
Opal Shape: Oval Cabochon Opal
Opal Size: 6.8 x 5 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 2
Opal Certificate: GemSelect
Product Description:
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7.64ct Loose Black Opal | 7.64 ct Oval Black Opal, 16.8 x 13.3 mm From Ethiopia, Photo A

7.64 ct Oval Black Opal, 16.8 x 13.3 mm From Ethiopia

Natural Black Opal, Qty: 1 pc | 7.64 carat weight Black Opal

7.64ct1 Piece
$ 229.20
16.8 x 13.3 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 7.64 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 16.8 x 13.3 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
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50.36ct Loose Opal | 50.36 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 36.9 x 27 mm, Photo A
50.36ct1 Piece
$ 151.08
36.9 x 27 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 50.36 ct Opal
Opal Shape: Oval Cabochon Opal
Opal Size: 36.9 x 27 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Opaque Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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2.81ct Loose Opal | 2.81 carat Opal, loose Certified Opal from Ethiopia, Natural Gem, 12.6 x 9.1 mm, Photo A
2.81ct1 Piece
$ 78.68
12.6 x 9.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 2.81 ct Opal
Opal Shape: Fancy Cabochon Opal
Opal Size: 12.6 x 9.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Smoked
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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23.38ct Loose Boulder Opal | 23.38 ct Fancy Boulder Opal, 25.3 x 16.7 mm From Australia, Photo A

23.38 ct Fancy Boulder Opal, 25.3 x 16.7 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 23.38 carat weight Boulder Opal

23.38ct1 Piece
$ 116.90
25.3 x 16.7 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 23.38 ct Boulder Opal
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Size: 25.3 x 16.7 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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2.37ct Loose Tourmaline | 2.37 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.7 x 4.4 mm, Photo A
2.37ct1 Piece
$ 65.18
15.7 x 4.4 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 2.37 ct Tourmaline
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Size: 15.7 x 4.4 mm Tourmaline
Tourmaline Color: Dark Green Tourmaline
Tourmaline Clarity: VVS Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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10.38ct Loose Tourmaline | 10.38 carat Black Tourmaline, Pear Shape loose Tourmaline from Mozambique, Natural Untreated Gem, 16 x 12.7 mm, Photo A
10.38ct1 Piece
$ 51.90
16 x 12.7 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 10.38 ct Tourmaline
Tourmaline Shape: Pear Facet Tourmaline
Tourmaline Size: 16 x 12.7 mm Tourmaline
Tourmaline Color: Schorl Tourmaline
Tourmaline Clarity: Opaque Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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3.78ct Loose Opal | 3.78 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 13.6 x 10 mm, Photo A
3.78ct1 Piece
$ 83.16
13.6 x 10 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 3.78 ct Opal
Opal Shape: Pear Cabochon Opal
Opal Size: 13.6 x 10 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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3.27ct Loose Tourmaline | 3.27 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 7.9 x 7.2 mm, Photo A
3.27ct1 Piece
$ 248.19
7.9 x 7.2 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 3.27 ct Tourmaline
Tourmaline Shape: Octagon / Scissor Cut Tourmaline
Tourmaline Size: 7.9 x 7.2 mm Tourmaline
Tourmaline Color: Dark PInk Tourmaline
Tourmaline Clarity: VVS-VS Tourmaline
Tourmaline Origin: Tanzania Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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33.02ct Loose Opal | 33.02 carat White Opal, Pear Shape loose Opal from Australia, Natural Untreated Gem, 30 x 21.2 mm, Photo A
Click for Product Video (688673)
33.02ct1 Piece
$ 1,651.50
30 x 21.2 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 33.02 ct Opal
Opal Shape: Pear Cabochon Opal
Opal Size: 30 x 21.2 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
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7.99ct Loose Tourmaline | 7.99 carat Emerald Cut Tourmaline, loose Certified Tourmaline from Mozambique, Natural Untreated Gem, 18.2 x 7.7 mm, Photo A
Click for Product Video (696778)
7.99ct1 Piece
$ 639.20
18.2 x 7.7 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 7.99 ct Tourmaline
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Size: 18.2 x 7.7 mm Tourmaline
Tourmaline Color: Bi-color Tourmaline
Tourmaline Clarity: SI Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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31.32ct Loose Tourmaline | 31.32 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 25 x 15 mm, Photo A
31.32ct1 Piece
$ 156.60
25 x 15 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 31.32 ct Tourmaline
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Size: 25 x 15 mm Tourmaline
Tourmaline Color: Schorl Tourmaline
Tourmaline Clarity: Opaque Tourmaline
Tourmaline Origin: Mozambique Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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30.50ct Loose Boulder Opal | 30.5 carat Pear Boulder Opal, loose Certified Boulder Opal from Australia, Natural Untreated Gem, 29.4 x 21.8 mm, Photo A
Click for Product Video (523672)
30.50ct1 Piece
$ 167.75
29.4 x 21.8 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 30.50 ct Boulder Opal
Boulder Opal Shape: Pear Cabochon Boulder Opal
Boulder Opal Size: 29.4 x 21.8 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Translucent Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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30.94ct Loose Boulder Opal | 30.94 ct Fancy Boulder Opal, 25.4 x 20.1 mm From Australia, Photo A
Click for Product Video (521754)

30.94 ct Fancy Boulder Opal, 25.4 x 20.1 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 30.94 carat weight Boulder Opal

30.94ct1 Piece
$ 170.17
25.4 x 20.1 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 30.94 ct Boulder Opal
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Size: 25.4 x 20.1 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
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What is the October Birthstone?

There are two birthstones for October - Opal and Tourmaline.

If you celebrate a birthday in October, you have a choice of two incredibly colorful gemstones, opal, which can contain the complete rainbow in a single stone and tourmaline, which can be found in a wonderful array of bright colors.

October Birthstone - Colors

Opal

There is no doubt that opals are the most diverse of all gemstones.

They are most famous for their play-of-color where red, yellow, blue and green can flash and dance before your eyes in a dazzling display but opals can also be found in single color versions like the vivid orange fire opals and the subtle pink or blue Peruvian opals.

Other versions can have a small amount of intensely colored opal trapped within the hard rock it grew in, giving a dark and dense black or brown background for the contrasting bright colors as in Black and Boulder Opals.

The play-of-color phenomenon is the result of an unusual crystal structure where layers of tiny spherical particals of silica bounce light around breaking white light into any number of colors.

Tourmaline

Tourmalines cover the complete spectrum of colors and can also be found with two or even three colors showing in the same gemstone.

Trace elements of minerals such as chromium, iron, copper, magnesium, manganese and more are the causes of the wide variety of colors.

Some colors are more popular and more expensive than others. Neon turquoise Paraiba Tourmalines are amongst the most expensive gemstones in the world and the blue Indicolites and red Rubellites are also highly valued.

Green Tourmalines are fairly common and come in very reasonable prices while Chrome Tourmalines which are also green but with a deeper tone are considerably more expensive.

The October Birthstone Price

How expensive is Opal?

Opals can be included in a list of the most expensive gemstones in the world - the Virgin Opal has been valued at a million dollars. As expected the wide variety of opal types means there is a wide variety of prices too.

There are too many factors which go into the price of an opal to describe here but include such things as:

  • The type of opal
  • The intensity and dominant hue in the play of color
  • The pattern of the colors
  • The background tone
  • The source of the gemstone
  • The size

To give you some idea of the range of prices, a Boulder Opal can be between $5 and $300 per carat while a classic Opal Doublet could be anywhere from $10 to $100 per carat depending on the above factors.

Please refer to our full Opal Info page for a more detailed look at the complicated process of evaluating an opal.

How expensive is Tourmaline?

Much like opals, the wide range of colors and their relative rarity means that tourmalines can easily vary from $10,000 per carat for a fine neon blue Pariaba to $20 per carat for a simple but attractive small green tourmaline.

A top quality blue Indicolite can be $1000 per carat while a red Rubellite or a crisp red and green Watermelon Tourmaline could reach $400 per carat. At the other end of the scale the spiritually powerful black tourmalines rarely go much above $5 per carat.

For more details please refer to our full Tourmaline Info page here

What are the spiritual benefits of October Birthstones?

Opal

With their magical appearance it is no wonder that Opals have had many powers and legends granted to them over the centuries. Opals have been given the names 'the Eye Stone' and 'Cupid's Stone' for their physical influence on the health of the eyes and their emotional affects on romance.

Other strengths include:

  • Encouraging Wealth and Good Fortune
  • Allowing Self-expression
  • Bringing Love, Passion, Desire
  • Boosting Creativity and Spontaneity

See our detailed article on Opal meaning and uses

Tourmaline

In Black Tourmaline, we have one of the most powerful protective gemstones around and I always recommend having one nearby. Other colors can be equally influential in different areas:

  • Inspiration and Compassion
  • Flexibility and Strength
  • Calming and Soothing
  • Happiness and Positivity

See our detailed article on Tourmaline meaning and uses

The October Birthstones and the Chakras

Opal

Individual Chakras have assigned colors and a gemstone of the same color can be very beneficial. As Opals can be found in every color - sometimes on a single stone - they are an ideal Chakra stone.

  • Black/Boulder Opals - Root Chakra
  • Fire Opals - Sacral Chakra
  • Mainly Yellow Opals - Solar Plexus Chakra
  • Mainly Green or Pink Opals - Heart Chakra
  • Mainly Blue Opals - Throat Chakra
  • Mainly Violet Opals - Third Eye Chakra
  • White Opals - Crown Chakra

Tourmaline

The Chakras feature seven colors to match the seven energy centers located about the body. Tourmalines can be found in all seven colors and many more so are a perfect stone for unblocking or realigning a Chakra.

Just a few examples include:

  • Black/Red Tourmalines - Root Chakra
  • Pink/Green Tourmalines - Heart Chakra
  • Blue Tourmalines - Throat Chakra
  • Purple Tourmalines - Crown Chakra

Find more details on Chakra gemstones here

The October Birthstones Species

Opal

Where do we begin with Opal species? A simple description of Opal would be to say it is a hydrated silicon dioxide but who would buy one of those?

Due to their unusual crystal structure, Opals most famously show a play-of-color where variety of colors can flash before your eyes. This play-of-color can cover the entire gemstone or just show a few bright flecks here and there, with dark or pale backgrounds. Sometimes the opal is still attached to its host rock - the variations are endless. Some play-of-color opals include:

  • White Opals
  • Black Opals
  • Boulder Opals
  • Matrix Opals
  • Koroit Opals

Other opals can be translucent, opaque, neon or chatoyant and NOT feature the famous play-of-color. These are still stunning gemstones and include:

  • Cat's Eye Opals
  • Fire Opals
  • Hyalite Opals
  • Peruvian Opals

Tourmaline

Tourmalines are usually divided by color or origin, and known by names such as:

  • Indicolite - from the Latin meaning indigo
  • Rubellite - from the Latin meaning reddish
  • Paraiba - first discovered in the Pairaba region of Brazil
  • Watermelon - for its distinctive pink and green colors

It also has quite a few individual species which share a crystal structure but differ in chemical composition and terms not often used when sold as gemstones:

  • Schorl
  • Elbaite
  • Dravite
  • Liddicoatite
  • Uvite

The October Birthstone Treatments

Opal

In general, Opals are not treated in any way other than the cutting and polishing it takes to create a beautiful gemstone.

Black Opals are sometimes 'smoked' in a process to darken the background and improve the contrast between it and the color display.

A very common treatment is the doublets or triplets where a thin sliver of opal material is attached to a backing material (sometimes with a clear cover). This is an accepted practice and never disguised in any way as it allows fragile opal to be available and not discarded.

We will always disclose any treatments.

Tourmaline

As far as we know, Tourmaline is not routinely treated with heat or radiation although the exception could be the Paraiba-like neon blue gemstones from Africa. Bright pinks may be irradiated but it is very difficult to detect.

All treatments our Tourmalines receive will be fully disclosed on our product pages.

The October Birthstones History

Opal

Opals were discovered in a cave in Kenya which could be dated back 6000 years making them amongst our oldest gemstones.

Famous naturalist, Pliny, described them like this over 2000 years ago:

'In them you shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light'.

When the early Opal finds in Australia made their way to the gemstone traders of London, the merchants did not believe the startling colors could be real and assumed they were somehow man-made.

Tourmaline

The name Tourmaline comes from the Sinhalese word, turmali, which means 'mixed gems'. For hundreds of years tourmalines have been a very valued gemstone but very often sold as another gem type according to the color - red for rubies, yellow for topaz and so on.

When the Conquistadors landed in Brazil in the 1500s the green tourmalines they discovered were immediately labeled emeralds and sold around the world to unwitting buyers.

Scientists identified Tourmaline as a species in the 1800 but even as late as 1884, all-round egg-head, John Ruskin said of Tourmaline:

'The chemistry of it is more like a medieval doctor's prescription, than the making of a respectable mineral'.

Where are the October Birthstone found?

Opal

Although Australia is the source of around 90% of the world's supplies, other countries are also blessed with significant deposits. For example Ethiopia has become a major player in the Black Opal trade while Fire Opals and Hyalite Opals are most often found in Mexico.

Tourmaline

Brazil and Sri Lanka are still the source of much of the world's tourmaline but Mozambique and Tanzania in Africa are also top suppliers.

The states of California and Maine became the world's biggest producers of Tourmalines in the early 1900s and sold most of the gemstones to China.

What jewelry is the October Birthstones suitable for?

Opal

Opals are rated at 5.5 - 6.5 on Mohs hardness scale so care needs to be taken for certain types of jewelry - rings should have protective settings. Boulder Opals and Opal Doublets are durable enough for daily wear.

Many opals are cut into interesting odd shapes which can make unique jewelry items, especially pendants, brooches and earrings where durability is not such an issue.

Opal doublets are often found in singles, pairs and lots which are matched as closely as possible for this very individual gemstone making them an excellent choice for coordinated jewelry sets.

In addition to being the October birthstone, Opals are also the traditional gemstone to celebrate the 14th wedding anniversary.

Tourmaline

Tourmalines are rated at a reasonable 7 - 7.5 on Mohs hardness scale so they are hard enough for most types of jewelry but a bit of care should be taken with items such as rings or bracelets which are exposed to more knocks and bumps than earrings or pendants.

In addition to being the October birthstone, Tourmalines are also the traditional gemstone to celebrate the 8th wedding anniversary.

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