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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: 4543531 pcs
thumb image of 1.2ct Oval Facet Orange Fire Opal (ID: 454353)
1.24 ct Fire Opal
9.7 x 7.9 mm
$ 32.66
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ID: 4539432 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 453943)
1.26 ct Fire Opal
8.1 x 6.2 mm
$ 33.19
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ID: 4206151 pcs
thumb image of 5.9ct Fancy Cabochon Multicolor Opal Doublet (ID: 420615)
5.90 ct Opal Doublet
21.8 x 14 mm
$ 94.40
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ID: 3118331 pcs
thumb image of 1.7ct Oval Facet Multicolor Opal (ID: 311833)
1.65 ct Opal
11.1 x 7.9 mm
$ 66.00
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ID: 4539062 pcs
thumb image of 1.2ct Oval Facet Orange Fire Opal (ID: 453906)
1.20 ct Fire Opal
8 x 6 mm
$ 31.61
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ID: 3673121 pcs
thumb image of 1.2ct Round Facet Reddish Orange Fire Opal (ID: 367312)
1.20 ct Fire Opal
7.6 mm
$ 40.06
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ID: 3153231 pcs
thumb image of 1.3ct Oval Facet Multicolor Opal (ID: 315323)
1.30 ct Opal
10.1 x 8.2 mm
$ 54.60
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ID: 4321532 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 432153)
1.29 ct Fire Opal
7.8 x 6 mm
$ 34.30
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ID: 4505582 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 450558)
1.46 ct Fire Opal
8 x 6.1 mm
$ 39.10
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ID: 4321841 pcs
thumb image of 0.6ct Oval Cabochon White Opal (ID: 432184)
0.61 ct Opal
6.9 x 5.7 mm
$ 17.08
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ID: 3094331 pcs
thumb image of 0.8ct Oval Facet Multicolor Opal (ID: 309433)
0.79 ct Opal
8.1 x 6.1 mm
$ 33.97
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ID: 3698011 pcs
thumb image of 2.4ct Oval Facet Reddish Orange Fire Opal (ID: 369801)
2.43 ct Fire Opal
10.5 x 8.9 mm
$ 64.61
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ID: 4507034 pcs
thumb image of 3.1ct Oval Facet Orange Fire Opal (ID: 450703)
3.11 ct Fire Opal
7.9 x 6.1 mm
$ 83.29
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ID: 4542691 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 454269)
1.52 ct Fire Opal
10 x 7.7 mm
$ 40.04
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ID: 3302491 pcs
thumb image of 7.6ct Pear Cabochon Multicolor Black Opal (ID: 330249)
7.56 ct Black Opal
19.5 x 11.9 mm
$ 302.40
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ID: 4422371 pcs
thumb image of 10.8ct Barrel Cabochon Multicolor Opal in Matrix (ID: 442237)
10.80 ct Opal in Matrix
19.2 x 10.7 mm
$ 161.14
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ID: 3684561 pcs
thumb image of 2ct Pear Cabochon Orange Opal (ID: 368456)
1.97 ct Opal
11.2 x 8.2 mm
$ 54.27
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ID: 4468751 pcs
thumb image of 2.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 446875)
2.40 ct Opal Doublet
15.1 x 9.6 mm
$ 36.00
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ID: 3459931 pcs
thumb image of 1ct Oval Facet Multicolor Opal (ID: 345993)
0.97 ct Opal
9 x 7 mm
$ 38.80
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ID: 4322901 pcs
thumb image of 0.7ct Oval Cabochon Multicolor Opal (ID: 432290)
0.72 ct Opal
7.2 x 6.2 mm
$ 20.16
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ID: 3165201 pcs
thumb image of 1.9ct Oval Facet Multicolor Opal (ID: 316520)
1.94 ct Opal
11.8 x 8.2 mm
$ 81.48
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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