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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1578): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 4322891 pcs
0.85ct Opal
6.84mm x 4.06mm
USD 23.80
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ID: 3685962 pcs
1.55ctw Opal
7.94mm x 6.03mm x 3.88mm
USD 42.39
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ID: 3082161 pcs
1.42ct Opal
11.35mm x 8.53mm x 4.14mm
USD 61.06
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ID: 4206221 pcs
12.44ct Opal Doublet
41.45mm x 8.99mm x 3.37mm
USD 199.04
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ID: 4207791 pcs
14.72ct Boulder Opal
22.91mm x 11.58mm x 6.23mm
USD 88.32
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ID: 4320391 pcs
0.65ct Opal
6.03mm x 6.02mm x 4.01mm
USD 18.20
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ID: 4316071 pcs
2.49ct Fire Opal
12.79mm x 8.45mm x 5.78mm
USD 87.03
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ID: 3145591 pcs
1.61ct Opal
15.24mm x 6.87mm x 4.17mm
USD 64.40
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ID: 3243991 pcs
2.90ct Black Opal
12.48mm x 8.86mm x 6.22mm
USD 116.00
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ID: 3694931 pcs
2.00ct Fire Opal
8.93mm x 6.07mm
USD 64.86
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ID: 2642981 pcs
3.39ct Opal
16.23mm x 7.90mm x 5.12mm
USD 81.36
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ID: 4053161 pcs
1.07ct Fire Opal
10.97mm x 6.85mm x 4.36mm
USD 25.16
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ID: 3671732 pcs
2.33ctw Fire Opal
9.23mm x 6.67mm x 3.93mm
USD 77.71
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ID: 3682072 pcs
2.74ctw Opal
9.12mm x 7.07mm x 4.11mm
USD 75.49
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ID: 4323921 pcs
0.56ct Fire Opal
7.01mm x 3.08mm
USD 14.89
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ID: 4321371 pcs
0.44ct Opal
6.92mm x 4.64mm x 3.33mm
USD 12.32
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ID: 4051941 pcs
2.19ct Fire Opal
11.05mm x 8.58mm x 5.87mm
USD 51.49
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ID: 4293461 pcs
0.76ct Opal
8.14mm x 6.17mm x 3.01mm
USD 21.28
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ID: 4324512 pcs
1.30ctw Fire Opal
8.00mm x 5.94mm x 3.45mm
USD 34.57
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ID: 4294161 pcs
0.69ct Opal
8.03mm x 5.93mm x 3.34mm
USD 19.32
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ID: 4093921 pcs
7.99ct Fire Opal
17.91mm x 13.10mm x 8.35mm
USD 259.12
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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