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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1585): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 3117951 pcs
1.46ct Opal
10.95mm x 7.44mm x 4.88mm
USD 58.40
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ID: 3165441 pcs
1.74ct Opal
10.98mm x 7.88mm x 5.58mm
USD 73.08
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ID: 4054171 pcs
1.63ct Fire Opal
10.65mm x 8.01mm x 5.37mm
USD 38.57
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ID: 3213831 pcs
1.29ct Opal
9.20mm x 7.18mm x 5.23mm
USD 51.60
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ID: 3697991 pcs
2.13ct Fire Opal
10.22mm x 8.14mm x 5.60mm
USD 69.08
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ID: 3672304 pcs
2.47ctw Fire Opal
6.04mm x 3.98mm
USD 82.37
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ID: 3297854 pcs
2.13ctw Black Opal
6.93mm x 5.02mm x 3.23mm
USD 85.20
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ID: 3430791 pcs
1.86ct Opal
10.66mm x 7.96mm x 5.81mm
USD 83.70
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ID: 4322381 pcs
0.47ct Opal
6.27mm x 5.21mm x 3.25mm
USD 13.16
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ID: 3672344 pcs
3.39ctw Fire Opal
7.26mm x 6.16mm x 4.23mm
USD 113.06
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ID: 3150781 pcs
1.34ct Opal
10.05mm x 7.92mm x 4.94mm
USD 56.28
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ID: 3834231 pcs
0.84ct Fire Opal
7.16mm x 3.90mm
USD 26.85
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ID: 3693631 pcs
4.07ct Fire Opal
11.02mm x 7.08mm
USD 131.99
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ID: 4319071 pcs
0.59ct Opal
6.55mm x 5.45mm x 4.00mm
USD 16.52
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ID: 3670411 pcs
1.91ct Fire Opal
12.30mm x 6.82mm x 4.81mm
USD 63.70
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ID: 3672154 pcs
3.62ctw Fire Opal
7.81mm x 5.91mm x 4.29mm
USD 120.73
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ID: 4320501 pcs
0.54ct Opal
6.61mm x 5.94mm x 3.07mm
USD 15.12
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ID: 4319141 pcs
0.64ct Opal
6.09mm x 5.60mm x 3.95mm
USD 17.92
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ID: 3147421 pcs
1.29ct Opal
10.19mm x 7.72mm x 4.54mm
USD 51.60
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ID: 3081301 pcs
1.85ct Opal
11.88mm x 8.31mm x 6.05mm
USD 79.55
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ID: 3231581 pcs
4.19ct Opal
21.52mm x 7.62mm x 5.47mm
USD 159.22
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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