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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1492): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 4545432 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 454543)
1.36 ct Fire Opal
7.9 x 6.1 mm
$ 35.82
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ID: 4310891 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 431089)
0.81 ct Opal
6.9 x 5.7 mm
$ 16.20
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ID: 4422321 pcs
thumb image of 6.4ct Cushion Cabochon Multicolor Opal in Matrix (ID: 442232)
6.41 ct Opal in Matrix
12.7 x 10.4 mm
$ 95.64
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ID: 3693791 pcs
thumb image of 3.5ct Octagon Facet Reddish Orange Fire Opal (ID: 369379)
3.48 ct Fire Opal
11.3 x 9.3 mm
$ 112.86
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ID: 4543471 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 454347)
1.54 ct Fire Opal
10.1 x 8.1 mm
$ 40.56
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ID: 4542992 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 454299)
1.88 ct Fire Opal
9 x 7.1 mm
$ 49.52
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ID: 4419501 pcs
thumb image of 5.5ct Pear Cabochon Multicolor Opal in Matrix (ID: 441950)
5.45 ct Opal in Matrix
13.4 x 11.9 mm
$ 81.31
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ID: 3687002 pcs
thumb image of 1.4ct Oval Cabochon Multicolor Opal (ID: 368700)
1.35 ct Opal
8 x 6 mm
$ 36.92
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ID: 4287942 pcs
thumb image of 1.6ct Oval Cabochon White Opal (ID: 428794)
1.57 ct Opal
8.2 x 6.2 mm
$ 43.96
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ID: 4544232 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 454423)
1.42 ct Fire Opal
7.9 x 6.1 mm
$ 37.40
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ID: 3184071 pcs
thumb image of 1.2ct Oval Facet Multicolor Opal (ID: 318407)
1.18 ct Opal
9.1 x 7.1 mm
$ 49.56
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ID: 4294561 pcs
thumb image of 0.9ct Oval Cabochon White Opal (ID: 429456)
0.92 ct Opal
7.9 x 6 mm
$ 25.76
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ID: 4491631 pcs
thumb image of 3ct Fancy Cabochon Multicolor Opal Doublet (ID: 449163)
3.00 ct Opal Doublet
15.9 x 10.8 mm
$ 43.77
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ID: 3673001 pcs
thumb image of 1.1ct Oval Facet Reddish Orange Fire Opal (ID: 367300)
1.12 ct Fire Opal
9.3 x 6.9 mm
$ 37.39
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ID: 4467941 pcs
thumb image of 2.7ct Baguette Cabochon Multicolor Opal Doublet (ID: 446794)
2.71 ct Opal Doublet
16.6 x 8.1 mm
$ 40.65
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ID: 3306424 pcs
thumb image of 2.8ct Oval Cabochon Multicolor Chocolate Opal (ID: 330642)
2.83 ct Chocolate Opal
7 x 5.1 mm
$ 84.90
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ID: 3102921 pcs
thumb image of 1.1ct Oval Facet Multicolor Opal (ID: 310292)
1.13 ct Opal
9.1 x 7 mm
$ 45.20
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ID: 4321562 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 432156)
1.31 ct Fire Opal
7.9 x 5.9 mm
$ 34.83
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ID: 4468982 pcs
thumb image of 1.2ct Marquise Cabochon Multicolor Opal Doublet (ID: 446898)
1.15 ct Opal Doublet
9.8 x 4.9 mm
$ 17.25
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ID: 2496652 pcs
thumb image of 1.4ct Oval Cabochon Blue Opal Doublet (ID: 249665)
1.44 ct Opal Doublet
8 x 6 mm
$ 36.23
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ID: 4491421 pcs
thumb image of 7.9ct Fancy Cabochon Multicolor Opal Doublet (ID: 449142)
7.94 ct Opal Doublet
30.1 x 11.3 mm
$ 115.84
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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