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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1577): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 4290651 pcs
1.02ct Opal
8.06mm x 6.05mm x 4.25mm
USD 28.56
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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: 4051961 pcs
2.00ct Fire Opal
11.42mm x 8.43mm x 5.27mm
USD 47.02
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ID: 3832021 pcs
0.85ct Fire Opal
8.08mm x 5.83mm x 3.89mm
USD 27.22
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ID: 3146881 pcs
1.38ct Opal
13.64mm x 6.48mm x 3.85mm
USD 55.20
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ID: 3093431 pcs
0.74ct Opal
8.09mm x 6.29mm x 4.15mm
USD 31.82
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ID: 3683072 pcs
2.62ctw Opal
9.16mm x 7.20mm x 4.07mm
USD 72.18
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ID: 4322541 pcs
0.86ct Fire Opal
8.06mm x 5.94mm x 4.44mm
USD 22.87
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ID: 3202141 pcs
1.14ct Opal
9.12mm x 6.99mm x 4.68mm
USD 51.30
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ID: 3103071 pcs
1.20ct Opal
9.09mm x 7.13mm x 4.65mm
USD 48.00
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ID: 4293781 pcs
0.83ct Opal
8.11mm x 6.07mm x 3.76mm
USD 23.24
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ID: 4289392 pcs
1.74ctw Opal
8.03mm x 6.11mm x 3.90mm
USD 48.72
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ID: 3166111 pcs
1.97ct Opal
11.30mm x 8.30mm x 6.38mm
USD 78.80
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ID: 3306384 pcs
2.51ctw Chocolate Opal
7.06mm x 5.07mm x 3.56mm
USD 75.30
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ID: 4310881 pcs
0.69ct Opal
6.43mm x 4.06mm
USD 13.80
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ID: 4200711 pcs
4.68ct Fire Opal
12.77mm x 10.95mm x 7.71mm
USD 151.77
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ID: 4319672 pcs
1.54ctw Fire Opal
8.15mm x 6.02mm x 3.95mm
USD 40.95
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ID: 3703891 pcs
1.39ct Opal
9.51mm x 9.05mm x 4.15mm
USD 45.20
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ID: 4316161 pcs
2.81ct Fire Opal
19.14mm x 7.93mm x 5.03mm
USD 98.21
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ID: 3695711 pcs
1.62ct Fire Opal
8.99mm x 7.42mm x 5.40mm
USD 52.54
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ID: 3242511 pcs
4.92ct Black Opal
13.28mm x 10.69mm x 6.99mm
USD 196.80
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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