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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1488): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 4322311 pcs
0.44ct Opal
5.80mm x 3.14mm
USD 12.32
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ID: 4323321 pcs
1.00ct Fire Opal
8.77mm x 7.11mm x 4.66mm
USD 26.59
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ID: 4056741 pcs
1.10ct Fire Opal
9.19mm x 6.90mm x 4.59mm
USD 25.94
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ID: 3166171 pcs
1.19ct Opal
10.02mm x 7.99mm x 4.29mm
USD 49.98
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ID: 3668201 pcs
1.92ct Fire Opal
10.15mm x 8.01mm x 5.10mm
USD 74.88
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ID: 4316131 pcs
2.71ct Fire Opal
13.45mm x 9.39mm x 5.23mm
USD 94.71
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ID: 3669021 pcs
0.89ct Fire Opal
8.10mm x 6.12mm x 3.71mm
USD 34.71
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ID: 4207871 pcs
4.18ct Opal Doublet
17.41mm x 12.07mm x 2.38mm
USD 66.88
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ID: 3164631 pcs
1.46ct Opal
11.45mm x 7.98mm x 4.53mm
USD 61.32
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ID: 4289791 pcs
0.85ct Opal
7.90mm x 6.00mm x 4.18mm
USD 23.80
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ID: 3832011 pcs
0.56ct Fire Opal
5.90mm x 5.19mm x 4.34mm
USD 17.93
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ID: 3291334 pcs
3.44ctw Black Opal
8.03mm x 6.04mm x 3.96mm
USD 137.60
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ID: 3695201 pcs
1.20ct Fire Opal
8.45mm x 7.17mm x 4.27mm
USD 38.92
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ID: 3175861 pcs
4.22ct Black Opal
17.53mm x 9.63mm x 5.90mm
USD 168.80
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ID: 4322891 pcs
0.85ct Opal
6.84mm x 4.06mm
USD 23.80
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ID: 4319712 pcs
1.40ctw Fire Opal
7.60mm x 5.93mm x 3.90mm
USD 37.23
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ID: 3689094 pcs
2.53ctw Opal
7.99mm x 6.06mm x 2.78mm
USD 69.20
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ID: 3636734 pcs
1.82ctw Opal Doublet
6.95mm x 5.01mm x 1.69mm
USD 34.71
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ID: 3686042 pcs
1.48ctw Opal
7.92mm x 5.81mm x 3.68mm
USD 40.48
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ID: 3048141 pcs
1.77ct Opal
10.12mm x 8.35mm x 5.65mm
USD 74.34
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ID: 3146051 pcs
1.06ct Opal
11.31mm x 6.35mm x 3.81mm
USD 42.40
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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