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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1684): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 3148801 pcs
1.70ct Opal
10.16mm x 8.09mm x 5.26mm
USD 68.00
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ID: 4290331 pcs
0.84ct Opal
7.96mm x 6.09mm x 3.81mm
USD 23.52
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ID: 2719701 pcs
3.14ct Opal
11.33mm x 9.35mm x 6.82mm
USD 53.38
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ID: 3081511 pcs
1.80ct Opal
12.17mm x 8.84mm x 4.88mm
USD 77.40
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ID: 3953121 pcs
19.92ct Fire Opal
34.74mm x 14.76mm x 8.42mm
USD 697.20
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ID: 3682962 pcs
1.87ctw Opal
8.03mm x 6.11mm x 4.15mm
USD 51.52
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ID: 3690961 pcs
1.43ct Opal
9.93mm x 8.06mm x 4.14mm
USD 38.80
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ID: 3164661 pcs
1.62ct Opal
10.46mm x 7.21mm x 5.13mm
USD 68.04
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ID: 4293081 pcs
0.78ct Opal
7.96mm x 5.95mm x 3.38mm
USD 21.84
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ID: 4288552 pcs
1.78ctw Opal
8.15mm x 6.08mm x 3.92mm
USD 49.84
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ID: 4291011 pcs
0.66ct Opal
8.07mm x 6.06mm x 2.95mm
USD 18.48
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ID: 4206141 pcs
7.46ct Opal Doublet
22.78mm x 11.61mm x 2.95mm
USD 119.36
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ID: 2940234 pcs
1.74ctw Opal Doublet
7.14mm x 5.13mm x 1.60mm
USD 52.20
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ID: 3218451 pcs
22.54ct Boulder Opal
24.79mm x 20.04mm x 5.56mm
USD 157.78
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ID: 4320991 pcs
0.74ct Opal
6.35mm x 3.96mm
USD 20.72
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ID: 4293101 pcs
0.60ct Opal
7.80mm x 6.00mm x 3.08mm
USD 16.80
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ID: 4312611 pcs
2.51ct Fire Opal
12.18mm x 10.12mm x 6.13mm
USD 87.72
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ID: 4322901 pcs
0.72ct Opal
7.16mm x 6.20mm x 3.88mm
USD 20.16
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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: 3460121 pcs
0.97ct Opal
8.19mm x 6.17mm x 4.90mm
USD 38.80
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ID: 3213381 pcs
0.74ct Opal
8.16mm x 6.11mm x 4.22mm
USD 29.60
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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