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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (305): Australian Opal Gems Opal, Opal Doublet, Boulder Opal, Black Opal Clear All
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ID: 4468702 pcs
thumb image of 1.2ct Oval Cabochon Multicolor Opal Doublet (ID: 446870)
1.21 ct Opal Doublet
7.1 x 5.2 mm
$ 18.15
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ID: 2496675 pcs
thumb image of 3.6ct Oval Cabochon Blue Opal Doublet (ID: 249667)
3.60 ct Opal Doublet
7.9 x 6 mm
$ 16.20
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ID: 4206111 pcs
thumb image of 8.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 420611)
8.39 ct Opal Doublet
21.5 x 15.5 mm
$ 134.24
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ID: 4469342 pcs
thumb image of 15.7ct Fancy Cabochon Blue Opal Doublet (ID: 446934)
15.67 ct Opal Doublet
26.1 x 11 mm
$ 235.05
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ID: 3915942 pcs
thumb image of 9.4ct Round Cabochon Blue Opal Doublet (ID: 391594)
9.35 ct Opal Doublet
15.2 mm
$ 207.10
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ID: 4469042 pcs
thumb image of 1ct Pear Cabochon Multicolor Opal Doublet (ID: 446904)
0.99 ct Opal Doublet
7.1 x 5.2 mm
$ 14.85
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ID: 4469082 pcs
thumb image of 1.4ct Marquise Cabochon Blue Opal Doublet (ID: 446908)
1.41 ct Opal Doublet
10.1 x 5.2 mm
$ 21.15
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ID: 4468392 pcs
thumb image of 1.7ct Oval Cabochon Multicolor Opal Doublet (ID: 446839)
1.73 ct Opal Doublet
8.2 x 6.1 mm
$ 25.95
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ID: 4469022 pcs
thumb image of 1.1ct Pear Cabochon Multicolor Opal Doublet (ID: 446902)
1.08 ct Opal Doublet
7.9 x 5 mm
$ 16.20
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ID: 4468642 pcs
thumb image of 1.8ct Pear Cabochon Multicolor Opal Doublet (ID: 446864)
1.78 ct Opal Doublet
9.2 x 6.2 mm
$ 26.70
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ID: 3913222 pcs
thumb image of 5.5ct Oval Cabochon Blue Opal Doublet (ID: 391322)
5.49 ct Opal Doublet
17.5 x 7.6 mm
$ 121.60
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ID: 4468862 pcs
thumb image of 1.8ct Marquise Cabochon Multicolor Opal Doublet (ID: 446886)
1.76 ct Opal Doublet
12.2 x 6 mm
$ 26.40
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ID: 44691620 pcs
thumb image of 7.5ct Oval Cabochon Multicolor Opal Doublet (ID: 446916)
7.51 ct Opal Doublet
6 x 4.1 mm
$ 112.65
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ID: 4495181 pcs
thumb image of 1.9ct Oval Cabochon Multicolor Opal Doublet (ID: 449518)
1.94 ct Opal Doublet
10.9 x 9 mm
$ 28.30
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ID: 4491361 pcs
thumb image of 9.2ct Pear Cabochon Multicolor Opal Doublet (ID: 449136)
9.17 ct Opal Doublet
17.6 x 21.1 mm
$ 133.79
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ID: 4032801 pcs
thumb image of 18.4ct Carved Turtle Multicolor Opal (ID: 403280)
18.37 ct Opal
29.6 x 15.7 mm
$ 84.32
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ID: 3579111 pcs
thumb image of 16.6ct Fancy Cabochon Blue Opal Doublet (ID: 357911)
16.57 ct Opal Doublet
27.4 x 20.5 mm
$ 107.70
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ID: 4492321 pcs
thumb image of 1.2ct Pear Cabochon Multicolor Opal Doublet (ID: 449232)
1.20 ct Opal Doublet
9.9 x 6.8 mm
$ 17.51
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ID: 4062151 pcs
thumb image of 23.7ct Carved Turtle Multicolor Opal (ID: 406215)
23.74 ct Opal
29.5 x 19.5 mm
$ 83.80
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ID: 4032821 pcs
thumb image of 35.4ct Carved Turtle Multicolor Opal (ID: 403282)
35.35 ct Opal
37.1 x 24.5 mm
$ 162.26
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ID: 4492584 pcs
thumb image of 2.3ct Oval Cabochon Multicolor Opal Doublet (ID: 449258)
2.30 ct Opal Doublet
7.1 x 5.1 mm
$ 33.56
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Australian Opal Gems
Australia is the most important source for fine opal gemstones. Australian opals include black opal, boulder opal, crystal opal, fire opal and white opal. Famous opal deposits in New South Wales are at Lightning Ridge and White Cliffs, in South Australia, and also at Coober Pedy and Andamooka. Other opal deposits are also found in Queensland. Australia is the main source of the world's finest and largest supply of precious opal, including the rarest and most valuable Australian black opal. The best black opal is thought to come from Lightning Ridge in New South Wales. Australian opal is known for its incredible play of color and excellent stability. Opal gemstones make wonderfully unique and interesting jewelry. In 1993, Australia declared opal its national gemstone. Some of the finest and largest Australian opals ever seen include the multicolored precious opal gem called the Virgin Rainbow, from Coober Pedy, Big Ben, which was found in Lightning Ridge, the Light of the World and the Andamooka Desert Flame.
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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