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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (919): Oval Opal Gemstones Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 4495772 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 449577)
1.27 ct Fire Opal
8 x 6.1 mm
$ 34.02
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ID: 4506994 pcs
thumb image of 2ct Oval Facet Orange Fire Opal (ID: 450699)
2.02 ct Fire Opal
7.1 x 5.1 mm
$ 54.10
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ID: 4310791 pcs
thumb image of 0.6ct Oval Cabochon White Opal (ID: 431079)
0.60 ct Opal
6.1 x 5.3 mm
$ 12.00
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ID: 4051941 pcs
thumb image of 2.2ct Oval Facet Orange Fire Opal (ID: 405194)
2.19 ct Fire Opal
11.1 x 8.6 mm
$ 51.49
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ID: 4539632 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 453963)
1.25 ct Fire Opal
8 x 6 mm
$ 32.92
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ID: 3832011 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383201)
0.56 ct Fire Opal
5.9 x 5.2 mm
$ 17.93
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ID: 4320382 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 432038)
1.48 ct Fire Opal
8.1 x 6.1 mm
$ 39.35
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ID: 4322944 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 432294)
1.93 ct Fire Opal
7.1 x 5.2 mm
$ 51.32
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ID: 4324563 pcs
thumb image of 2.1ct Oval Facet Orange Fire Opal (ID: 432456)
2.12 ct Fire Opal
8.1 x 6.1 mm
$ 56.37
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ID: 4322351 pcs
thumb image of 0.5ct Oval Cabochon Multicolor Opal (ID: 432235)
0.51 ct Opal
6 x 5.1 mm
$ 14.28
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ID: 3833841 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383384)
0.61 ct Fire Opal
7.6 x 5.8 mm
$ 19.50
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ID: 4073541 pcs
thumb image of 2.5ct Oval Facet Yellow Orange Fire Opal (ID: 407354)
2.50 ct Fire Opal
11.3 x 8.5 mm
$ 38.88
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ID: 4319402 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 431940)
1.48 ct Fire Opal
8 x 6 mm
$ 39.35
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ID: 3833791 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383379)
0.57 ct Fire Opal
6.5 x 5.1 mm
$ 18.22
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ID: 3673071 pcs
thumb image of 1.5ct Oval Facet Reddish Orange Fire Opal (ID: 367307)
1.48 ct Fire Opal
8.5 x 7.1 mm
$ 49.40
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ID: 4539742 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 453974)
1.26 ct Fire Opal
7.8 x 6 mm
$ 33.19
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ID: 4294101 pcs
thumb image of 0.6ct Oval Cabochon White Opal (ID: 429410)
0.57 ct Opal
7.9 x 5.9 mm
$ 15.96
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ID: 4542211 pcs
thumb image of 0.8ct Oval Facet Orange Fire Opal (ID: 454221)
0.75 ct Fire Opal
7.7 x 6 mm
$ 19.76
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ID: 4311491 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 431149)
1.41 ct Fire Opal
10.6 x 7.7 mm
$ 49.28
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ID: 4320972 pcs
thumb image of 1.6ct Oval Facet Orange Fire Opal (ID: 432097)
1.59 ct Fire Opal
8.1 x 6.1 mm
$ 42.28
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ID: 4542251 pcs
thumb image of 0.8ct Oval Facet Orange Fire Opal (ID: 454225)
0.75 ct Fire Opal
7.9 x 6 mm
$ 19.76
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Oval Opal Gemstones
More than any other gem, each opal is distinctly an individual. No other stone has as rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity.

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.

Opal is relatively soft, with a rating of 5.5-6.5 on the Mohs scale. Despite its frequent use in rings, opal is a poor choice for a ring stone; it is much better suited to earrings, pins, and pendants.

Major suppliers include Australia, Brazil, Mexico, and the US. Values are normally determined by the presence and nature of color flashes.

Shop for oval opal gemstones in a variety of calibrated sizes, colors and origins. We have fire opal, opal doublets, common opal, black opal, boulder opal, chocolate opal and more in matching pairs, lots and cabochon or facet cuts.
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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