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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1399): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 3682022 pcs
2.60ctw Opal
9.13 x 7.12 x 4.23mm
USD 71.63
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ID: 3695751 pcs
1.22ct Fire Opal
8.39 x 4.72mm
USD 39.56
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ID: 3094341 pcs
0.93ct Opal
8.24 x 6.17 x 4.64mm
USD 39.99
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ID: 3672174 pcs
3.53ctw Fire Opal
7.77 x 5.92 x 4.17mm
USD 117.73
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ID: 3147381 pcs
1.54ct Opal
10.06 x 8.10 x 5.26mm
USD 61.60
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ID: 4322891 pcs
0.85ct Opal
6.84 x 4.06mm
USD 23.80
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ID: 4312611 pcs
2.51ct Fire Opal
12.18 x 10.12 x 6.13mm
USD 87.72
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ID: 4059181 pcs
1.68ct Fire Opal
8.53 x 6.25mm
USD 39.61
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ID: 3672284 pcs
2.29ctw Fire Opal
5.93 x 3.81mm
USD 76.37
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ID: 4321572 pcs
1.15ctw Fire Opal
7.86 x 6.04 x 3.33mm
USD 30.58
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ID: 2994101 pcs
1.57ct Opal
10.12 x 8.15 x 5.18mm
USD 62.80
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ID: 3702821 pcs
1.82ct Fire Opal
10.22 x 8.19 x 4.77mm
USD 81.90
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ID: 3694941 pcs
1.88ct Fire Opal
8.78 x 5.74mm
USD 60.97
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ID: 3684561 pcs
1.97ct Opal
11.24 x 8.15 x 4.69mm
USD 54.27
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ID: 3668201 pcs
1.92ct Fire Opal
10.15 x 8.01 x 5.10mm
USD 74.88
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ID: 3118591 pcs
1.27ct Opal
10.13 x 7.72 x 4.38mm
USD 50.80
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ID: 3080901 pcs
1.76ct Opal
12.20 x 8.37 x 4.62mm
USD 75.68
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ID: 3166111 pcs
1.97ct Opal
11.30 x 8.30 x 6.38mm
USD 78.80
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ID: 3672354 pcs
2.76ctw Fire Opal
7.50 x 5.88 x 3.25mm
USD 92.05
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ID: 3094041 pcs
0.75ct Opal
8.10 x 6.25 x 4.02mm
USD 32.25
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ID: 4324402 pcs
1.08ctw Opal
6.38 x 5.58 x 3.60mm
USD 30.24
Item in Stock
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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:
+66-39303404

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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