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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (296): Australian Opal Gems Opal, Opal Doublet, Boulder Opal, Black Opal Clear All
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ID: 4618751 pcs
thumb image of 4.8ct Fancy Cabochon Multicolor Boulder Opal (ID: 461875)
4.78 ct Boulder Opal
13.2 x 9.9 mm
$ 33.56
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ID: 4065191 pcs
thumb image of 29.8ct Carved Turtle Multicolor Opal (ID: 406519)
29.80 ct Opal
31.5 x 17.3 mm
$ 150.49
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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: 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: 3711021 pcs
thumb image of 4ct Pear Cabochon Multicolor Boulder Opal (ID: 371102)
4.00 ct Boulder Opal
15.8 x 7.6 mm
$ 29.16
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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: 4535321 pcs
thumb image of 25.9ct Oval Cabochon Multicolor Boulder Opal (ID: 453532)
25.92 ct Boulder Opal
28.4 x 15.5 mm
$ 570.24
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ID: 4619501 pcs
thumb image of 0.6ct Pear Cabochon Multicolor Opal Doublet (ID: 461950)
0.60 ct Opal Doublet
8.2 x 5.2 mm
$ 9.03
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ID: 4618581 pcs
thumb image of 0.8ct Marquise Cabochon Multicolor Opal Doublet (ID: 461858)
0.75 ct Opal Doublet
10.2 x 5.2 mm
$ 11.29
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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: 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: 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: 44691020 pcs
thumb image of 7.4ct Oval Cabochon Multicolor Opal Doublet (ID: 446910)
7.40 ct Opal Doublet
4.2 x 6.1 mm
$ 111.00
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ID: 4032861 pcs
thumb image of 19.6ct Carved Frog Multicolor Opal (ID: 403286)
19.55 ct Opal
27 x 19.6 mm
$ 89.73
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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: 44691420 pcs
thumb image of 7.7ct Oval Cabochon Multicolor Opal Doublet (ID: 446914)
7.73 ct Opal Doublet
6.1 x 4.2 mm
$ 115.95
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ID: 3660771 pcs
thumb image of 86.1ct Trillion Cabochon Multicolor Boulder Opal (ID: 366077)
86.05 ct Boulder Opal
43 x 37.4 mm
$ 988.50
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ID: 4468761 pcs
thumb image of 2.1ct Fancy Cabochon Multicolor Opal Doublet (ID: 446876)
2.11 ct Opal Doublet
14.5 x 8.1 mm
$ 31.65
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ID: 4535591 pcs
thumb image of 27.9ct Fancy Cabochon Multicolor Boulder Opal (ID: 453559)
27.93 ct Boulder Opal
26 x 18.5 mm
$ 614.46
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ID: 3579091 pcs
thumb image of 37.2ct Fancy Cabochon Blue Opal Doublet (ID: 357909)
37.15 ct Opal Doublet
42.3 x 27.5 mm
$ 241.48
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ID: 4004014 pcs
thumb image of 1.9ct Pear Cabochon Multicolor Opal Doublet (ID: 400401)
1.85 ct Opal Doublet
7.1 x 4.9 mm
$ 33.80
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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

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