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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: 4495951 pcs
thumb image of 9.6ct Fancy Cabochon Multicolor Boulder Opal (ID: 449595)
9.59 ct Boulder Opal
18.9 x 14 mm
$ 67.13
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ID: 3835491 pcs
thumb image of 0.7ct Oval Facet Reddish Orange Fire Opal (ID: 383549)
0.74 ct Fire Opal
7.4 x 6.1 mm
$ 23.65
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ID: 3212261 pcs
thumb image of 1.6ct Oval Facet Multicolor Opal (ID: 321226)
1.57 ct Opal
10 x 8.1 mm
$ 62.80
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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: 39153120 pcs
thumb image of 6.4ct Oval Cabochon Multicolor Opal Doublet (ID: 391531)
6.40 ct Opal Doublet
6 x 4 mm
$ 107.58
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ID: 3218351 pcs
thumb image of 8.6ct Pear Cabochon Multicolor Boulder Opal (ID: 321835)
8.60 ct Boulder Opal
18.9 x 12.5 mm
$ 60.20
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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: 3111211 pcs
thumb image of 1.6ct Pear Facet Multicolor Opal (ID: 311121)
1.56 ct Opal
11.7 x 8.3 mm
$ 62.40
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ID: 3668191 pcs
thumb image of 2ct Oval Facet Reddish Orange Fire Opal (ID: 366819)
1.97 ct Fire Opal
9.9 x 8.4 mm
$ 76.83
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ID: 3671341 pcs
thumb image of 1.8ct Oval Facet Reddish Orange Fire Opal (ID: 367134)
1.84 ct Fire Opal
10.6 x 8.2 mm
$ 61.36
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ID: 4322924 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 432292)
1.94 ct Fire Opal
7.2 x 5.2 mm
$ 51.58
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ID: 4312641 pcs
thumb image of 1.9ct Pear Facet Orange Fire Opal (ID: 431264)
1.92 ct Fire Opal
10 x 9.7 mm
$ 67.10
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ID: 3197111 pcs
thumb image of 1.6ct Pear Facet Multicolor Opal (ID: 319711)
1.61 ct Opal
9 x 8.9 mm
$ 54.74
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ID: 4495191 pcs
thumb image of 2.4ct Oval Cabochon Multicolor Opal Doublet (ID: 449519)
2.35 ct Opal Doublet
14.2 x 8.4 mm
$ 34.29
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ID: 3689444 pcs
thumb image of 2.6ct Oval Cabochon Multicolor Opal (ID: 368944)
2.59 ct Opal
7.8 x 6 mm
$ 70.27
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ID: 3164591 pcs
thumb image of 1.9ct Oval Facet Multicolor Opal (ID: 316459)
1.86 ct Opal
10.3 x 7.5 mm
$ 78.12
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ID: 3702811 pcs
thumb image of 1.6ct Oval Facet Reddish Orange Fire Opal (ID: 370281)
1.61 ct Fire Opal
10.9 x 7.4 mm
$ 72.45
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ID: 3219281 pcs
thumb image of 45.2ct Pear Cabochon Multicolor Boulder Opal (ID: 321928)
45.15 ct Boulder Opal
33.4 x 19.8 mm
$ 316.05
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ID: 3080921 pcs
thumb image of 1.4ct Pear Facet Multicolor Opal (ID: 308092)
1.40 ct Opal
11.1 x 8 mm
$ 60.20
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ID: 3811711 pcs
thumb image of 3.2ct Fancy Cabochon Blue Opal Doublet (ID: 381171)
3.16 ct Opal Doublet
16.5 x 10.6 mm
$ 57.95
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ID: 4312271 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 431227)
0.79 ct Opal
7.6 x 6.2 mm
$ 15.80
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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