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Buy Double-Sided Gemstones

(1680)
Double-Sided Gemstones Weight Double-Sided Gemstones Size Double-Sided Gemstones Clarity Double-Sided Gemstones Price Double-Sided Gemstones Origin
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2.5 ct Round Onyx, 6.9 mm From Sri Lanka

Natural Onyx, Qty: 2 pcs | 2.50 carat weight Onyx

2.50ct (total)2 Pieces
$ 101.25
6.9 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 1.25 ct Onyx
Onyx Shape: Round Cabochon Onyx
Onyx Size: 6.9 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 2
Onyx Certificate: GemSelect
Product Description:
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14.57ct1 Piece
$ 72.85
15.3 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 14.57 ct Tourmaline
Tourmaline Shape: Round Facet Tourmaline
Tourmaline Size: 15.3 mm Tourmaline
Tourmaline Color: Schorl Tourmaline
Tourmaline Clarity: Opaque Tourmaline
Tourmaline Origin: Tanzania Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Quantity: 1
Tourmaline Certificate: GemSelect
Product Description:
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9.88 ct Cushion Onyx, 11 x 10.9 mm From Sri Lanka

Natural Onyx, Qty: 2 pcs | 9.88 carat weight Onyx

9.88ct (total)2 Pieces
$ 9.88
11 x 10.9 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 4.94 ct Onyx
Onyx Shape: Cushion Cabochon Onyx
Onyx Size: 11 x 10.9 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 2
Onyx Certificate: GemSelect
Product Description:
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23.73 ct Oval Nuummite, 23.8 x 15.8 mm From India

Natural Nuummite, Qty: 1 pc | 23.73 carat weight Nuummite

23.73ct1 Piece
$ 97.77
23.8 x 15.8 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 23.73 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 23.8 x 15.8 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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27.76 ct Oval Nuummite, 20.1 x 16.2 mm From India

Natural Nuummite, Qty: 1 pc | 27.76 carat weight Nuummite

27.76ct1 Piece
$ 114.37
20.1 x 16.2 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 27.76 ct Nuummite
Nuummite Shape: Oval Cabochon Nuummite
Nuummite Size: 20.1 x 16.2 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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4.94 ct Cushion Onyx, 11 x 11 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 4.94 carat weight Onyx

4.94ct1 Piece
$ 9.88
11 x 11 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 4.94 ct Onyx
Onyx Shape: Cushion Cabochon Onyx
Onyx Size: 11 x 11 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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91.06ct1 Piece
$ 455.30
31.2 x 26.4 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 91.06 ct Tourmaline
Tourmaline Shape: Cushion-Cut Tourmaline
Tourmaline Size: 31.2 x 26.4 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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58.6 ct Rhomb Checkerboard Nuummite, 38.6 x 32 mm From India

Natural Nuummite, Qty: 1 pc | 58.60 carat weight Nuummite

58.60ct1 Piece
$ 212.07
38.6 x 32 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 58.60 ct Nuummite
Nuummite Shape: Rhomb Checkerboard Nuummite
Nuummite Size: 38.6 x 32 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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11.39 ct Cushion Obsidian, 22.6 x 11.6 mm From the United States

Natural Obsidian, Qty: 1 pc | 11.39 carat weight Obsidian

11.39ct1 Piece
$ 8.54
22.6 x 11.6 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 11.39 ct Obsidian
Obsidian Shape: Cushion Cabochon Obsidian
Obsidian Size: 22.6 x 11.6 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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6.6 ct Black Spinel, 9.2 mm Round Rose Cut From Thailand

Natural Spinel, Qty: 2 pcs | 6.60 carat weight Spinel

6.60ct (total)2 Pieces
$ 29.04
9.2 mm
Item Description
Stone Type: Loose Spinel
Spinel Weight: 3.30 ct Spinel
Spinel Shape: Round Rose-Cut Spinel
Spinel Size: 9.2 mm Spinel
Spinel Color: Black Spinel
Spinel Clarity: Opaque Spinel
Spinel Origin: Thailand Spinel
Spinel Treatment: Untreated
Spinel Quantity: 2
Spinel Certificate: GemSelect
Product Description:
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0.24 ct Black Diamond, 3 mm Diamond Cut From India

Natural Diamond, Qty: 2 pcs | 0.24 carat weight Diamond

0.24ct (total)2 Pieces
$ 114.63
3 mm
Item Description
Stone Type: Loose Diamond
Diamond Weight: 0.12 ct Diamond
Diamond Shape: Diamond-Cut Diamond
Diamond Size: 3 mm Diamond
Diamond Color: Black Diamond
Diamond Clarity: Opaque Diamond
Diamond Origin: India Diamond
Diamond Treatment: Untreated
Diamond Quantity: 2
Diamond Certificate: GemSelect
Product Description:
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45.06 ct Oval Checkerboard Nuummite, 30 x 19.4 mm From India

Natural Nuummite, Qty: 1 pc | 45.06 carat weight Nuummite

45.06ct1 Piece
$ 189.34
30 x 19.4 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 45.06 ct Nuummite
Nuummite Shape: Oval Checkerboard (double sided) Nuummite
Nuummite Size: 30 x 19.4 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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15.82 ct Black Spinel, 12.1 mm Round Rose Cut From Thailand

Natural Spinel, Qty: 2 pcs | 15.82 carat weight Spinel

15.82ct (total)2 Pieces
$ 52.21
12.1 mm
Item Description
Stone Type: Loose Spinel
Spinel Weight: 7.91 ct Spinel
Spinel Shape: Round Rose-Cut Spinel
Spinel Size: 12.1 mm Spinel
Spinel Color: Black Spinel
Spinel Clarity: Opaque Spinel
Spinel Origin: Thailand Spinel
Spinel Treatment: Untreated
Spinel Quantity: 2
Spinel Certificate: GemSelect
Product Description:
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32.3 ct Round Rose Cut Onyx, 25.6 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 32.30 carat weight Onyx

32.30ct1 Piece
$ 32.30
25.6 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 32.30 ct Onyx
Onyx Shape: Round Rose-Cut Onyx
Onyx Size: 25.6 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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20.17ct1 Piece
$ 100.85
17.7 x 16.7 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 20.17 ct Tourmaline
Tourmaline Shape: Cushion-Cut Tourmaline
Tourmaline Size: 17.7 x 16.7 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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28.35 ct Cushion Cut Nuummite, 22.8 x 17.7 mm From India

Natural Nuummite, Qty: 1 pc | 28.35 carat weight Nuummite

28.35ct1 Piece
$ 116.80
22.8 x 17.7 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 28.35 ct Nuummite
Nuummite Shape: Cushion-Cut Nuummite
Nuummite Size: 22.8 x 17.7 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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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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12.33 ct Cushion Cut Nuummite, 19.4 x 12.8 mm From India

Natural Nuummite, Qty: 1 pc | 12.33 carat weight Nuummite

12.33ct1 Piece
$ 54.38
19.4 x 12.8 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 12.33 ct Nuummite
Nuummite Shape: Cushion-Cut Nuummite
Nuummite Size: 19.4 x 12.8 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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20.38ct1 Piece
$ 15.29
29.6 x 19.6 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 20.38 ct Obsidian
Obsidian Shape: Pear Cabochon Obsidian
Obsidian Size: 29.6 x 19.6 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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24.28ct1 Piece
$ 121.40
19.8 x 16 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 24.28 ct Tourmaline
Tourmaline Shape: Oval Facet Tourmaline
Tourmaline Size: 19.8 x 16 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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3.24 ct Trillion Onyx, 9.9 x 9.3 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 3.24 carat weight Onyx

3.24ct1 Piece
$ 3.24
9.9 x 9.3 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 3.24 ct Onyx
Onyx Shape: Trillion Cabochon Onyx
Onyx Size: 9.9 x 9.3 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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0.95 ct Black Diamond, 5.7 mm Diamond Cut From India

Natural Diamond, Qty: 1 pc | 0.95 carat weight Diamond

0.95ct1 Piece
$ 760.00
5.7 mm
Item Description
Stone Type: Loose Diamond
Diamond Weight: 0.95 ct Diamond
Diamond Shape: Diamond-Cut Diamond
Diamond Size: 5.7 mm Diamond
Diamond Color: Black Diamond
Diamond Clarity: Opaque Diamond
Diamond Origin: India Diamond
Diamond Treatment: Untreated
Diamond Quantity: 1
Diamond Certificate: GemSelect
Product Description:
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Select pcs
$ 0.48
3.3 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 0.14 ct Onyx
Onyx Shape: Round Cabochon Onyx
Onyx Size: 3.3 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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28.37ct1 Piece
$ 141.85
22.7 x 16.7 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 28.37 ct Tourmaline
Tourmaline Shape: Cushion-Cut Tourmaline
Tourmaline Size: 22.7 x 16.7 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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6.54 ct Black Star Sapphire, 11.7 x 9 mm Oval Cut From Thailand

Natural Star Sapphire, Qty: 1 pc | 6.54 carat weight Star Sapphire

6.54ct1 Piece
$ 130.80
11.7 x 9 mm
Item Description
Stone Type: Loose Star Sapphire
Star Sapphire Weight: 6.54 ct Star Sapphire
Star Sapphire Shape: Oval Cabochon Star Sapphire
Star Sapphire Size: 11.7 x 9 mm Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Origin: Thailand Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Quantity: 1
Star Sapphire Certificate: GemSelect
Product Description:
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42.52 ct Oval Checkerboard Nuummite, 27.7 x 25.4 mm From India

Natural Nuummite, Qty: 1 pc | 42.52 carat weight Nuummite

42.52ct1 Piece
$ 178.67
27.7 x 25.4 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 42.52 ct Nuummite
Nuummite Shape: Oval Checkerboard Nuummite
Nuummite Size: 27.7 x 25.4 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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25.3 ct Octagon Cut Nuummite, 19.1 x 16.4 mm From India

Natural Nuummite, Qty: 1 pc | 25.30 carat weight Nuummite

25.30ct1 Piece
$ 104.24
19.1 x 16.4 mm
Item Description
Stone Type: Loose Nuummite
Nuummite Weight: 25.30 ct Nuummite
Nuummite Shape: Octagon Step Cut Nuummite
Nuummite Size: 19.1 x 16.4 mm Nuummite
Nuummite Color: Black with Blue Sparkle Nuummite
Nuummite Clarity: Opaque Nuummite
Nuummite Origin: India Nuummite
Nuummite Treatment: Untreated
Nuummite Quantity: 1
Nuummite Certificate: GemSelect
Product Description:
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6.78 ct Trillion Onyx, 9.9 x 9.4 mm From Sri Lanka

Natural Onyx, Qty: 2 pcs | 6.78 carat weight Onyx

6.78ct (total)2 Pieces
$ 6.78
9.9 x 9.4 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 3.39 ct Onyx
Onyx Shape: Trillion Cabochon Onyx
Onyx Size: 9.9 x 9.4 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 2
Onyx Certificate: GemSelect
Product Description:
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44.07ct1 Piece
$ 220.35
37.3 x 11.8 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 44.07 ct Tourmaline
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Size: 37.3 x 11.8 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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27.68 ct Cushion Obsidian, 21.6 x 21.2 mm From Mexico

Natural Obsidian, Qty: 1 pc | 27.68 carat weight Obsidian

27.68ct1 Piece
$ 13.84
21.6 x 21.2 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 27.68 ct Obsidian
Obsidian Shape: Cushion Cabochon Obsidian
Obsidian Size: 21.6 x 21.2 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: Mexico Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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19.94ct1 Piece
$ 19.94
24.5 x 17.8 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 19.94 ct Onyx
Onyx Shape: Pear Rose-Cut Onyx
Onyx Size: 24.5 x 17.8 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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14.24ct1 Piece
$ 71.20
19.5 x 14.9 mm
Item Description
Stone Type: Loose Tourmaline
Tourmaline Weight: 14.24 ct Tourmaline
Tourmaline Shape: Pear Facet Tourmaline
Tourmaline Size: 19.5 x 14.9 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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12.32 ct Oval Onyx, 18.2 x 13.3 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 12.32 carat weight Onyx

12.32ct1 Piece
$ 24.64
18.2 x 13.3 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 12.32 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 18.2 x 13.3 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
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17.64 ct Trillion Obsidian, 24.6 x 22.2 mm From the United States

Natural Obsidian, Qty: 1 pc | 17.64 carat weight Obsidian

17.64ct1 Piece
$ 13.23
24.6 x 22.2 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 17.64 ct Obsidian
Obsidian Shape: Trillion Cabochon Obsidian
Obsidian Size: 24.6 x 22.2 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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18.52ct1 Piece
$ 13.89
22.5 x 19.4 mm
Item Description
Stone Type: Loose Obsidian
Obsidian Weight: 18.52 ct Obsidian
Obsidian Shape: Pear Cabochon Obsidian
Obsidian Size: 22.5 x 19.4 mm Obsidian
Obsidian Color: Black with Gold Sheen Obsidian
Obsidian Clarity: Opaque Obsidian
Obsidian Origin: United States Obsidian
Obsidian Treatment: Untreated
Obsidian Quantity: 1
Obsidian Certificate: GemSelect
Product Description:
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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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1 - 47
Double-sided gemstones are unique in that they are not cut in the traditional way. Cabochons are cut with flat bottoms and domed tops, while faceted gems typically feature a pavilion that comes to a point or culet line of some sort. Double-side gemstones, sometimes described as full-rounded, are perfect for those looking for a gemstone that can be worn and shown on both sides; in example, pendant stones often get twisted and flipped around when worn around the next, but with a double-side gem, this is no problem since both sides of the gem are cut in the same way. Double-sided gems are often given a checkboard cut or they may be given a smooth cabochon dome featured on both sides of the gem.
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