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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1169): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 3684551 pcs
thumb image of 2.8ct Pear Cabochon Multicolor Opal (ID: 368455)
2.84 ct Opal
10.9 x 10.2 mm
$ 78.24
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ID: 3804021 pcs
thumb image of 13.9ct Oval Cabochon Yellow Fire Opal (ID: 380402)
13.90 ct Fire Opal
20.6 x 15.1 mm
$ 300.38
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ID: 3199611 pcs
thumb image of 1ct Pear Facet Multicolor Opal (ID: 319961)
0.98 ct Opal
8.9 x 6.9 mm
$ 44.10
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ID: 4200711 pcs
thumb image of 4.7ct Oval Facet Orange Red Fire Opal (ID: 420071)
4.68 ct Fire Opal
12.8 x 11 mm
$ 151.77
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ID: 3150701 pcs
thumb image of 1.6ct Oval Facet Multicolor Opal (ID: 315070)
1.64 ct Opal
10.6 x 7.8 mm
$ 68.88
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ID: 3231591 pcs
thumb image of 1.9ct Marquise Cabochon Multicolor Opal (ID: 323159)
1.85 ct Opal
14 x 7.2 mm
$ 70.30
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ID: 3048141 pcs
thumb image of 1.8ct Trapezoid Multicolor Opal (ID: 304814)
1.77 ct Opal
10.1 x 8.4 mm
$ 74.34
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ID: 3080691 pcs
thumb image of 1.6ct Pear Facet Multicolor Opal (ID: 308069)
1.57 ct Opal
11 x 8 mm
$ 67.51
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ID: 3029261 pcs
thumb image of 22.2ct Oval Cabochon Multicolor Boulder Opal (ID: 302926)
22.16 ct Boulder Opal
22.7 x 18.1 mm
$ 155.12
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ID: 4322471 pcs
thumb image of 0.8ct Oval Facet Orange Fire Opal (ID: 432247)
0.78 ct Fire Opal
7.7 x 5.9 mm
$ 20.74
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ID: 3656211 pcs
thumb image of 7ct Fancy Cabochon Multicolor Boulder Opal (ID: 365621)
6.99 ct Boulder Opal
14.3 x 11 mm
$ 48.93
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ID: 4321061 pcs
thumb image of 0.6ct Round Cabochon Multicolor Opal (ID: 432106)
0.57 ct Opal
5.7 mm
$ 15.96
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ID: 4296141 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 429614)
0.81 ct Opal
8.1 x 6.1 mm
$ 22.68
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ID: 3080891 pcs
thumb image of 1.4ct Pear Facet Multicolor Opal (ID: 308089)
1.44 ct Opal
11.3 x 8.3 mm
$ 61.92
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ID: 3150671 pcs
thumb image of 2.1ct Oval Facet Multicolor Opal (ID: 315067)
2.07 ct Opal
11.8 x 9.5 mm
$ 86.94
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ID: 3175901 pcs
thumb image of 4.3ct Baguette Cabochon Multicolor Black Opal (ID: 317590)
4.27 ct Black Opal
15.3 x 9.5 mm
$ 170.80
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ID: 4207311 pcs
thumb image of 7.3ct Oval Cabochon Multicolor Boulder Opal (ID: 420731)
7.28 ct Boulder Opal
12.4 x 10.2 mm
$ 43.68
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ID: 3111521 pcs
thumb image of 1.3ct Pear Facet Multicolor Opal (ID: 311152)
1.32 ct Opal
12 x 7.9 mm
$ 52.80
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ID: 4495201 pcs
thumb image of 29.5ct Pear Cabochon Multicolor Boulder Opal (ID: 449520)
29.52 ct Boulder Opal
38.7 x 17.9 mm
$ 206.64
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ID: 4294081 pcs
thumb image of 1ct Oval Cabochon Multicolor Opal (ID: 429408)
0.99 ct Opal
8.2 x 6.2 mm
$ 27.72
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ID: 4491681 pcs
thumb image of 3.1ct Pear Cabochon Multicolor Opal Doublet (ID: 449168)
3.05 ct Opal Doublet
17.2 x 11.4 mm
$ 44.50
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Opal
Opal Gemstone Information Opal Ring Information

More than any other gem, each opal is distinctly individual. No other gemstone has such rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity. There are many varieties of opal, including black opal, white opal, common opal (potch), chocolate opal, boulder opal, opal doublet, opal triplet, fire opal and opal in matrix.

Opal's fire was long thought to be the result of iridescence. However, with the advent of scanning electron microscopes, we now know that it is a result of diffraction, and is known in the gem trade as play of color. Opal is relatively soft, with a rating of 5.5-6.5 on the Mohs scale. Despite its frequent use in gemstone rings, opal is not the greatest choice as a ring stone; it is however, very-well suited for other types of gemstone jewelry, including gemstone earrings, pins and gemstone pendants.

Major suppliers include Australia, Brazil, Ethiopia, Mexico, Peru and the United States. Values are normally determined by the presence and nature of color flashes, except in the case of Mexican fire opal, where body color is most valued.
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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

Size Comparison Chart