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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: 3536191 pcs
thumb image of 5.3ct Oval Cabochon Orange Opal (ID: 353619)
5.33 ct Opal
15.9 x 10.4 mm
$ 213.20
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ID: 4290611 pcs
thumb image of 1ct Oval Cabochon White Opal (ID: 429061)
1.03 ct Opal
8.1 x 6.1 mm
$ 28.84
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ID: 3670351 pcs
thumb image of 2.4ct Oval Facet Reddish Orange Fire Opal (ID: 367035)
2.38 ct Fire Opal
11.3 x 8.6 mm
$ 79.37
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ID: 3219201 pcs
thumb image of 21ct Oval Cabochon Multicolor Boulder Opal (ID: 321920)
21.04 ct Boulder Opal
27.9 x 12.8 mm
$ 147.28
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ID: 4492821 pcs
thumb image of 5.8ct Pear Cabochon Multicolor Opal Doublet (ID: 449282)
5.75 ct Opal Doublet
19.9 x 13.4 mm
$ 83.89
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ID: 2719701 pcs
thumb image of 3.1ct Oval Facet Multicolor Opal (ID: 271970)
3.14 ct Opal
11.3 x 9.4 mm
$ 53.38
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ID: 4320471 pcs
thumb image of 0.6ct Round Cabochon Multicolor Opal (ID: 432047)
0.63 ct Opal
6.4 mm
$ 17.64
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ID: 4293461 pcs
thumb image of 0.8ct Oval Cabochon White Opal (ID: 429346)
0.76 ct Opal
8.1 x 6.2 mm
$ 21.28
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ID: 3695251 pcs
thumb image of 1.3ct Trillion Facet Orange Fire Opal (ID: 369525)
1.34 ct Fire Opal
9.3 x 7.6 mm
$ 43.46
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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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ID: 3695172 pcs
thumb image of 1.7ct Oval Facet Reddish Orange Fire Opal (ID: 369517)
1.73 ct Fire Opal
8 x 6 mm
$ 56.10
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ID: 4492111 pcs
thumb image of 1ct Marquise Cabochon Multicolor Opal Doublet (ID: 449211)
0.95 ct Opal Doublet
12.1 x 5.9 mm
$ 13.86
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ID: 4506281 pcs
thumb image of 1ct Oval Facet Orange Fire Opal (ID: 450628)
0.96 ct Fire Opal
8.9 x 7.1 mm
$ 25.71
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ID: 3652481 pcs
thumb image of 11.3ct Oval Cabochon Multicolor Boulder Opal (ID: 365248)
11.33 ct Boulder Opal
15.8 x 12.8 mm
$ 79.31
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ID: 3029191 pcs
thumb image of 7.8ct Pear Cabochon Multicolor Boulder Opal (ID: 302919)
7.81 ct Boulder Opal
16.4 x 10.5 mm
$ 54.67
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ID: 3471931 pcs
thumb image of 0.7ct Oval Facet Multicolor Opal (ID: 347193)
0.73 ct Opal
8 x 6 mm
$ 30.66
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ID: 4468238 pcs
thumb image of 4.8ct Pear Cabochon Multicolor Opal Doublet (ID: 446823)
4.77 ct Opal Doublet
8.2 x 5.2 mm
$ 71.55
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ID: 3703891 pcs
thumb image of 1.4ct Trillion Cabochon Multicolor Opal (ID: 370389)
1.39 ct Opal
9.5 x 9.1 mm
$ 45.20
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ID: 4468392 pcs
thumb image of 1.7ct Oval Cabochon Multicolor Opal Doublet (ID: 446839)
1.73 ct Opal Doublet
8.2 x 6.1 mm
$ 25.95
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ID: 4206711 pcs
thumb image of 15.6ct Oval Cabochon Multicolor Boulder Opal (ID: 420671)
15.56 ct Boulder Opal
19.3 x 14.3 mm
$ 93.36
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ID: 4423831 pcs
thumb image of 2.3ct Oval Cabochon Multicolor Opal in Matrix (ID: 442383)
2.30 ct Opal in Matrix
11.8 x 7.5 mm
$ 34.32
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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