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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1581): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 3132941 pcs
0.63ct Opal
7.76mm x 5.85mm x 3.64mm
USD 25.20
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ID: 3094571 pcs
0.71ct Opal
8.05mm x 5.99mm x 3.78mm
USD 30.53
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ID: 3625734 pcs
2.24ctw Opal Doublet
7.92mm x 5.03mm x 1.91mm
USD 40.92
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ID: 3184071 pcs
1.18ct Opal
9.07mm x 7.08mm x 5.06mm
USD 49.56
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ID: 3811701 pcs
4.00ct Opal Doublet
19.52mm x 8.91mm x 2.82mm
USD 73.36
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ID: 4320892 pcs
1.39ctw Fire Opal
7.89mm x 6.06mm x 3.51mm
USD 36.96
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ID: 4294671 pcs
0.96ct Opal
8.04mm x 6.20mm x 4.29mm
USD 26.88
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ID: 4065211 pcs
16.13ct Opal
41.25mm x 15.25mm x 8.39mm
USD 81.46
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ID: 3024131 pcs
7.66ct Chocolate Opal
23.13mm x 11.86mm x 5.68mm
USD 306.40
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ID: 4314721 pcs
0.45ct Opal
5.61mm x 4.88mm x 3.35mm
USD 9.00
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ID: 3145701 pcs
1.28ct Opal
14.51mm x 6.71mm x 3.41mm
USD 51.20
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ID: 39160820 pcs
3.87ctw Opal Doublet
5.16mm x 3.17mm x 1.92mm
USD 65.05
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ID: 4311421 pcs
1.90ct Fire Opal
16.54mm x 6.58mm x 4.43mm
USD 66.40
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ID: 3682032 pcs
1.96ctw Opal
8.91mm x 6.92mm x 3.58mm
USD 54.00
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ID: 2642961 pcs
1.71ct Opal
10.55mm x 7.30mm x 4.54mm
USD 41.04
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ID: 3656251 pcs
6.14ct Boulder Opal
12.61mm x 10.04mm x 5.87mm
USD 42.98
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ID: 4317771 pcs
1.16ct Opal
7.16mm x 4.75mm
USD 23.20
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ID: 3830861 pcs
10.30ct Fire Opal
22.38mm x 12.56mm x 7.72mm
USD 219.91
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ID: 4052021 pcs
1.44ct Fire Opal
10.31mm x 7.74mm x 4.90mm
USD 33.85
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ID: 4319451 pcs
0.86ct Opal
7.14mm x 6.39mm x 4.15mm
USD 24.08
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ID: 4322871 pcs
0.58ct Opal
7.16mm x 6.15mm x 3.08mm
USD 16.24
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Opal
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.
English speaking customer support only

Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39340503

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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