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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: 3536221 pcs
thumb image of 1.2ct Oval Cabochon Orange Opal (ID: 353622)
1.17 ct Opal
8.1 x 5.9 mm
$ 46.80
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ID: 4319032 pcs
thumb image of 1.2ct Oval Facet Orange Fire Opal (ID: 431903)
1.24 ct Fire Opal
8.1 x 6.1 mm
$ 32.97
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ID: 3118651 pcs
thumb image of 1.6ct Oval Facet Multicolor Opal (ID: 311865)
1.59 ct Opal
10.1 x 8.1 mm
$ 63.60
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ID: 3674481 pcs
thumb image of 1.1ct Oval Facet Reddish Orange Fire Opal (ID: 367448)
1.05 ct Fire Opal
8.4 x 6.5 mm
$ 35.05
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ID: 4319352 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 431935)
1.40 ct Fire Opal
8.1 x 6.1 mm
$ 37.23
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ID: 3696751 pcs
thumb image of 4.9ct Oval Facet Reddish Orange Fire Opal (ID: 369675)
4.93 ct Fire Opal
13.8 x 11.1 mm
$ 159.88
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ID: 3093101 pcs
thumb image of 0.9ct Oval Facet Multicolor Opal (ID: 309310)
0.87 ct Opal
8.1 x 6.1 mm
$ 37.41
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ID: 3094851 pcs
thumb image of 0.8ct Oval Facet Multicolor Opal (ID: 309485)
0.76 ct Opal
8.1 x 6.1 mm
$ 32.68
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ID: 44935720 pcs
thumb image of 4.3ct Oval Cabochon Multicolor Opal Doublet (ID: 449357)
4.28 ct Opal Doublet
5.3 x 3.3 mm
$ 62.45
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ID: 4469352 pcs
thumb image of 9.8ct Oval Cabochon Multicolor Opal Doublet (ID: 446935)
9.81 ct Opal Doublet
18.4 x 10.9 mm
$ 147.15
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ID: 4052711 pcs
thumb image of 1.1ct Oval Facet Orange Fire Opal (ID: 405271)
1.06 ct Fire Opal
8.8 x 6.9 mm
$ 24.92
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ID: 3081821 pcs
thumb image of 1.6ct Pear Facet Multicolor Opal (ID: 308182)
1.64 ct Opal
12.1 x 8.2 mm
$ 70.52
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ID: 4206741 pcs
thumb image of 15.5ct Fancy Cabochon Multicolor Boulder Opal (ID: 420674)
15.53 ct Boulder Opal
18.3 x 13.8 mm
$ 93.18
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ID: 44691720 pcs
thumb image of 7.6ct Oval Cabochon Multicolor Opal Doublet (ID: 446917)
7.61 ct Opal Doublet
6.3 x 4.2 mm
$ 114.15
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ID: 3303486 pcs
thumb image of 4.6ct Oval Cabochon Multicolor Chocolate Opal (ID: 330348)
4.61 ct Chocolate Opal
8 x 6.1 mm
$ 138.30
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ID: 4421811 pcs
thumb image of 2.5ct Pear Cabochon Multicolor Opal in Matrix (ID: 442181)
2.54 ct Opal in Matrix
12.5 x 7.7 mm
$ 37.90
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ID: 2642981 pcs
thumb image of 3.4ct Oval Cabochon White Opal (ID: 264298)
3.39 ct Opal
16.2 x 7.9 mm
$ 81.36
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ID: 3686012 pcs
thumb image of 1.8ct Oval Cabochon Multicolor Opal (ID: 368601)
1.81 ct Opal
8.2 x 6.3 mm
$ 49.50
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ID: 4495392 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 449539)
1.52 ct Fire Opal
8 x 6.1 mm
$ 40.72
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ID: 4312661 pcs
thumb image of 1.5ct Pear Facet Orange Fire Opal (ID: 431266)
1.51 ct Fire Opal
10.2 x 7.9 mm
$ 52.77
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ID: 4539082 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 453908)
1.44 ct Fire Opal
8 x 6.1 mm
$ 37.93
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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