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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: 3705261 pcs
thumb image of 2.3ct Oval Facet Multicolor Opal (ID: 370526)
2.31 ct Opal
11.9 x 9.1 mm
$ 97.02
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ID: 44694316 pcs
thumb image of 3ct Pear Cabochon Multicolor Opal Doublet (ID: 446943)
2.97 ct Opal Doublet
4.8 x 3 mm
$ 44.55
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ID: 3672344 pcs
thumb image of 3.4ct Oval Facet Reddish Orange Fire Opal (ID: 367234)
3.39 ct Fire Opal
7.3 x 6.2 mm
$ 113.06
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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: 4341851 pcs
thumb image of 13.9ct Trillion Cabochon Orange Fire Opal (ID: 434185)
13.88 ct Fire Opal
20.8 x 19.9 mm
$ 485.80
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ID: 4290701 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 429070)
0.77 ct Opal
8.2 x 6.1 mm
$ 21.56
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ID: 4468053 pcs
thumb image of 2.6ct Oval Cabochon Multicolor Opal Doublet (ID: 446805)
2.55 ct Opal Doublet
8.1 x 6 mm
$ 38.25
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ID: 3219251 pcs
thumb image of 32.4ct Pear Cabochon Multicolor Boulder Opal (ID: 321925)
32.44 ct Boulder Opal
28.4 x 23.2 mm
$ 227.08
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ID: 3166151 pcs
thumb image of 2.2ct Oval Facet Multicolor Opal (ID: 316615)
2.23 ct Opal
11.9 x 8.4 mm
$ 93.66
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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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ID: 4324574 pcs
thumb image of 3.5ct Oval Facet Orange Fire Opal (ID: 432457)
3.52 ct Fire Opal
8.8 x 7 mm
$ 93.60
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ID: 4294101 pcs
thumb image of 0.6ct Oval Cabochon Multicolor Opal (ID: 429410)
0.57 ct Opal
7.9 x 5.9 mm
$ 15.96
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ID: 4291491 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 429149)
0.77 ct Opal
8.1 x 6.1 mm
$ 21.56
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ID: 4291911 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 429191)
0.77 ct Opal
8 x 6 mm
$ 21.56
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ID: 3147731 pcs
thumb image of 1.6ct Oval Facet Multicolor Opal (ID: 314773)
1.59 ct Opal
10.1 x 8.1 mm
$ 63.60
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ID: 3702651 pcs
thumb image of 2ct Cushion-Cut Reddish Orange Fire Opal (ID: 370265)
2.04 ct Fire Opal
10.5 x 8.5 mm
$ 91.80
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ID: 3820391 pcs
thumb image of 5.4ct Pear Cabochon Yellow Orange Fire Opal (ID: 382039)
5.41 ct Fire Opal
22 x 9.4 mm
$ 115.34
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ID: 3145621 pcs
thumb image of 1.4ct Marquise Facet Multicolor Opal (ID: 314562)
1.35 ct Opal
13.9 x 6.6 mm
$ 54.00
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ID: 4491361 pcs
thumb image of 9.2ct Pear Cabochon Multicolor Opal Doublet (ID: 449136)
9.17 ct Opal Doublet
17.6 x 21.1 mm
$ 133.79
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ID: 3459291 pcs
thumb image of 1.3ct Oval Facet Multicolor Opal (ID: 345929)
1.30 ct Opal
9.5 x 7.4 mm
$ 52.00
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ID: 4495372 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 449537)
1.33 ct Fire Opal
7.9 x 5.9 mm
$ 35.63
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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