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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: 4056911 pcs
thumb image of 1.1ct Oval Facet Orange Fire Opal (ID: 405691)
1.05 ct Fire Opal
8.9 x 6.8 mm
$ 24.76
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ID: 3690931 pcs
thumb image of 1.6ct Oval Cabochon Multicolor Opal (ID: 369093)
1.61 ct Opal
9.2 x 7.2 mm
$ 43.68
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ID: 4468791 pcs
thumb image of 2.3ct Fancy Cabochon Multicolor Opal Doublet (ID: 446879)
2.33 ct Opal Doublet
14.3 x 10.5 mm
$ 34.95
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ID: 3671351 pcs
thumb image of 1.3ct Oval Facet Reddish Orange Fire Opal (ID: 367135)
1.34 ct Fire Opal
9.2 x 7.7 mm
$ 44.69
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ID: 3219221 pcs
thumb image of 28ct Pear Cabochon Multicolor Boulder Opal (ID: 321922)
28.03 ct Boulder Opal
27.2 x 19.6 mm
$ 196.21
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ID: 4496001 pcs
thumb image of 66.3ct Oval Cabochon Multicolor Boulder Opal (ID: 449600)
66.28 ct Boulder Opal
39.3 x 28.2 mm
$ 463.96
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ID: 4492801 pcs
thumb image of 4.1ct Pear Cabochon Multicolor Opal Doublet (ID: 449280)
4.09 ct Opal Doublet
17.2 x 12.2 mm
$ 59.67
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ID: 4468136 pcs
thumb image of 4.6ct Marquise Cabochon Multicolor Opal Doublet (ID: 446813)
4.59 ct Opal Doublet
10.2 x 5.1 mm
$ 68.85
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ID: 4492831 pcs
thumb image of 5.7ct Fancy Cabochon Multicolor Opal Doublet (ID: 449283)
5.68 ct Opal Doublet
20.6 x 13.4 mm
$ 82.87
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ID: 4468095 pcs
thumb image of 2.4ct Oval Cabochon Multicolor Opal Doublet (ID: 446809)
2.40 ct Opal Doublet
6.8 x 4.9 mm
$ 36.00
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ID: 3705251 pcs
thumb image of 2.3ct Oval Facet Multicolor Opal (ID: 370525)
2.30 ct Opal
12.1 x 9.4 mm
$ 103.50
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ID: 3711021 pcs
thumb image of 4ct Pear Cabochon Multicolor Boulder Opal (ID: 371102)
4.00 ct Boulder Opal
15.8 x 7.6 mm
$ 29.16
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ID: 3694961 pcs
thumb image of 1.1ct Round Facet Reddish Orange Fire Opal (ID: 369496)
1.06 ct Fire Opal
7.5 mm
$ 34.38
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ID: 3102541 pcs
thumb image of 1ct Oval Facet Multicolor Opal (ID: 310254)
1.04 ct Opal
9.1 x 7 mm
$ 41.60
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ID: 4207081 pcs
thumb image of 3ct Fancy Cabochon Multicolor Opal Doublet (ID: 420708)
2.97 ct Opal Doublet
16.9 x 9.2 mm
$ 47.52
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ID: 3832351 pcs
thumb image of 0.8ct Round Facet Reddish Orange Fire Opal (ID: 383235)
0.78 ct Fire Opal
6.8 mm
$ 24.98
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ID: 3439271 pcs
thumb image of 0.9ct Pear Facet Multicolor Opal (ID: 343927)
0.87 ct Opal
10 x 6.5 mm
$ 34.80
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ID: 3689124 pcs
thumb image of 2.4ct Oval Cabochon Multicolor Opal (ID: 368912)
2.36 ct Opal
7.2 x 5.1 mm
$ 64.55
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ID: 4421271 pcs
thumb image of 2.9ct Pear Cabochon Multicolor Opal in Matrix (ID: 442127)
2.94 ct Opal in Matrix
10.9 x 10.5 mm
$ 43.86
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ID: 4294651 pcs
thumb image of 1ct Oval Cabochon Multicolor Opal (ID: 429465)
1.01 ct Opal
8.1 x 6.1 mm
$ 28.28
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ID: 3672194 pcs
thumb image of 2.1ct Oval Facet Reddish Orange Fire Opal (ID: 367219)
2.14 ct Fire Opal
6.5 x 5.1 mm
$ 71.37
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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