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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1374): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 4622161 pcs
thumb image of 12.6ct Pear Cabochon Multicolor Opal (ID: 462216)
12.61 ct Opal
18.7 x 13.4 mm
$ 507.68
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ID: 3306274 pcs
thumb image of 2.8ct Oval Cabochon Multicolor Chocolate Opal (ID: 330627)
2.75 ct Chocolate Opal
7 x 5.1 mm
$ 82.50
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ID: 4507004 pcs
thumb image of 2.4ct Oval Facet Orange Fire Opal (ID: 450700)
2.37 ct Fire Opal
7.1 x 5.2 mm
$ 63.47
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ID: 3830871 pcs
thumb image of 10.7ct Pear Cabochon Yellow Orange Fire Opal (ID: 383087)
10.70 ct Fire Opal
23 x 13.1 mm
$ 228.44
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ID: 4206191 pcs
thumb image of 9.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 420619)
9.40 ct Opal Doublet
26.2 x 13.3 mm
$ 150.40
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ID: 3804051 pcs
thumb image of 21.5ct Pear Cabochon Yellow Fire Opal (ID: 380405)
21.54 ct Fire Opal
29.7 x 16.3 mm
$ 465.48
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ID: 3082041 pcs
thumb image of 1.5ct Pear Facet Multicolor Opal (ID: 308204)
1.46 ct Opal
12.9 x 7.7 mm
$ 62.78
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ID: 4469342 pcs
thumb image of 15.7ct Fancy Cabochon Blue Opal Doublet (ID: 446934)
15.67 ct Opal Doublet
26.1 x 11 mm
$ 235.05
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ID: 3830931 pcs
thumb image of 10.9ct Pear Cabochon Yellow Fire Opal (ID: 383093)
10.94 ct Fire Opal
22.1 x 13.7 mm
$ 233.57
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ID: 3193901 pcs
thumb image of 4ct Marquise Cabochon Multicolor Black Opal (ID: 319390)
3.99 ct Black Opal
18.7 x 8.3 mm
$ 159.60
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ID: 3303414 pcs
thumb image of 3ct Oval Cabochon Multicolor Chocolate Opal (ID: 330341)
3.01 ct Chocolate Opal
7.1 x 6 mm
$ 90.30
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ID: 3237121 pcs
thumb image of 4.3ct Oval Cabochon Multicolor Black Opal (ID: 323712)
4.34 ct Black Opal
15.4 x 10.7 mm
$ 173.60
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ID: 4323014 pcs
thumb image of 2.2ct Oval Facet Orange Fire Opal (ID: 432301)
2.16 ct Fire Opal
6.9 x 5.1 mm
$ 57.43
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ID: 3830861 pcs
thumb image of 10.3ct Pear Cabochon Yellow Orange Fire Opal (ID: 383086)
10.30 ct Fire Opal
22.4 x 12.6 mm
$ 219.91
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ID: 3297955 pcs
thumb image of 2.7ct Oval Cabochon Multicolor Black Opal (ID: 329795)
2.70 ct Black Opal
7 x 5 mm
$ 108.00
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ID: 3833881 pcs
thumb image of 0.7ct Oval Facet Reddish Orange Fire Opal (ID: 383388)
0.66 ct Fire Opal
8.2 x 5.7 mm
$ 21.09
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ID: 3245291 pcs
thumb image of 4.9ct Cushion Cabochon Multicolor Black Opal (ID: 324529)
4.89 ct Black Opal
15.2 x 9.7 mm
$ 195.60
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ID: 3804041 pcs
thumb image of 15.1ct Pear Cabochon Yellow Fire Opal (ID: 380404)
15.07 ct Fire Opal
27.2 x 14.9 mm
$ 325.66
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ID: 3297995 pcs
thumb image of 2.7ct Oval Cabochon Multicolor Black Opal (ID: 329799)
2.67 ct Black Opal
7 x 5 mm
$ 106.80
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ID: 3674461 pcs
thumb image of 1.2ct Oval Facet Reddish Orange Fire Opal (ID: 367446)
1.19 ct Fire Opal
8.5 x 7 mm
$ 39.72
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ID: 3303254 pcs
thumb image of 3ct Oval Cabochon Multicolor Chocolate Opal (ID: 330325)
3.00 ct Chocolate Opal
7.9 x 6.1 mm
$ 90.00
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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