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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (3781): October Birthstones - Tourmaline, Fire Opal, Moss Opal, Opal, Opal Doublet, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Boulder Opal, Chocolate Opal, Black Opal Clear All
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1.7ct Pear Facet Multicolor Opal Gem (ID: 311118)
1.66 ct Opal
12.2 x 9 mm
$ 66.40
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1.3ct Trillion Facet Orange Fire Opal Gem (ID: 463200)
1.34 ct Fire Opal
9.3 x 7.7 mm
$ 43.46
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1.1ct Octagon Facet Green Tourmaline Gem (ID: 416274)
1.05 ct Tourmaline
16.7 x 3.2 mm
$ 25.20
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2 pcs
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1.2ct Oval Facet Greenish Golden Tourmaline Gem (ID: 379223)
1.18 ct (total 2.35ctw) Tourmaline
8.1 x 6.1 mm
$ 112.80
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2 pcs
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0.8ct Oval Facet Orange Fire Opal Gem (ID: 432452)
0.84 ct (total 1.68ctw) Fire Opal
8 x 6.2 mm
$ 44.67
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18.3ct Oval Cabochon Multicolor Opal Gem (ID: 467270)
18.33 ct Opal
20 x 16.9 mm
$ 737.97
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4 pcs
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0.6ct Oval Facet Multicolor Tourmaline Gem (ID: 345564)
0.64 ct (total 2.56ctw) Tourmaline
6.4 x 4.8 mm
$ 56.32
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2.1ct Oval Cabochon Pink Opal Gem (ID: 491435)
2.05 ct Opal
10.4 x 8.6 mm
$ 4.57
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17.4ct Octagon Facet Bi-color Tourmaline Gem (ID: 328004)
17.35 ct Tourmaline
66.5 x 6.3 mm
$ 3,470.50
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0.5ct Oval Cabochon Multicolor Black Opal Gem (ID: 499878)
0.48 ct Black Opal
7.1 x 5.1 mm
$ 14.40
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0.7ct Oval Facet Greenish Golden Tourmaline Gem (ID: 239366)
0.74 ct Tourmaline
6.8 x 5.3 mm
$ 16.28
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4 pcs
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0.6ct Oval Cabochon Orange Opal Gem (ID: 368909)
0.63 ct (total 2.53ctw) Opal
8 x 6.1 mm
$ 69.20
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1.5ct Pear Facet Multicolor Opal Gem (ID: 320217)
1.46 ct Opal
9.2 x 9 mm
$ 58.40
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4 pcs
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0.5ct Oval Facet Multicolor Opal Gem (ID: 462904)
0.45 ct (total 1.81ctw) Opal
7.1 x 5.1 mm
$ 72.40
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30 pcs
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0.1ct Rondelle Multicolor Black Opal Gem (ID: 482438)
0.12 ct (total 3.64ctw) Black Opal
4 x 4 mm
$ 43.68
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17.3ct Oval Cabochon Multicolor Opal Gem (ID: 462093)
17.26 ct Opal
19.3 x 14.8 mm
$ 694.89
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4 pcs
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0.4ct Briolette with Hole Green Tourmaline Gem (ID: 335571)
0.35 ct (total 1.39ctw) Tourmaline
4.7 x 3.3 mm
$ 22.24
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1.2ct Oval Facet Green Chrome Tourmaline Gem (ID: 376959)
1.17 ct Chrome Tourmaline
7.8 x 5.9 mm
$ 149.90
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12.3ct Oval Facet Golden Green Tourmaline Gem (ID: 416463)
12.25 ct Tourmaline
15.7 x 12.8 mm
$ 2,450.00
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0.6ct Oval Cabochon Multicolor Black Opal Gem (ID: 500136)
0.55 ct Black Opal
8 x 5.8 mm
$ 16.50
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1.1ct Oval Facet Green Chrome Tourmaline Gem (ID: 362898)
1.05 ct Chrome Tourmaline
6.9 x 5.3 mm
$ 428.38
Item in Stock
October Birthstones
Opal and tourmaline are the birthstones for October, providing choices in every possible color. More than any other gem, each opal is distinctly an individual. No other stone has as rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity.

Tourmaline derives from the Sinhalese term "turamali", which translates as "stone of mixed colors". The very name refers to the unique spectrum of colors displayed by this gemstone, which is second to none in the realm of precious stones. One of the most versatile of gemstones, tourmaline is available in every color, from colorless to black. It can show every tone from pastel to dark, and can exhibit various colors in the same stone.

The astrological stone for Scorpio is beryl. Beryl is one of the most important mineral groups and also one of the biggest gemstone groups. Although the mineral is abundant, it rarely occurs in transparent gem-quality material. Transparent gem-quality beryl is referred to as 'precious beryl'. The most famous beryl gemstone is green emerald, followed by blue aquamarine. Golden beryl is not very well-known by the general public. Other popular beryl gems include pink 'morganite' and white, or colorless, 'goshenite'. Red beryl is the rarest variety of beryl and it is known in the trade as 'bixbite'.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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