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ID: 4491681 pcs
thumb image of 3.1ct Pear Cabochon Multicolor Opal Doublet (ID: 449168)
3.05 ct Opal Doublet
17.2 x 11.4 mm
$ 44.50
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ID: 3913412 pcs
thumb image of 3.5ct Pear Cabochon Multicolor Opal Doublet (ID: 391341)
3.53 ct Opal Doublet
12.9 x 8.2 mm
$ 59.34
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ID: 4468892 pcs
thumb image of 4.3ct Pear Cabochon Blue Opal Doublet (ID: 446889)
4.31 ct Opal Doublet
18.4 x 5.4 mm
$ 64.65
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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: 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: 4491831 pcs
thumb image of 3.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 449183)
3.36 ct Opal Doublet
20.1 x 7.5 mm
$ 49.02
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ID: 4206191 pcs
thumb image of 9.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 420619)
9.40 ct Opal Doublet
26.2 x 13.3 mm
$ 150.40
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ID: 3625174 pcs
thumb image of 2.3ct Pear Cabochon Multicolor Opal Doublet (ID: 362517)
2.33 ct Opal Doublet
8 x 5 mm
$ 42.57
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ID: 4468116 pcs
thumb image of 3.8ct Marquise Cabochon Multicolor Opal Doublet (ID: 446811)
3.78 ct Opal Doublet
10.1 x 5.1 mm
$ 56.70
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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: 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: 3636764 pcs
thumb image of 2ct Oval Cabochon Multicolor Opal Doublet (ID: 363676)
2.02 ct Opal Doublet
7 x 5.1 mm
$ 38.52
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ID: 4492381 pcs
thumb image of 1.1ct Oval Cabochon Multicolor Opal Doublet (ID: 449238)
1.12 ct Opal Doublet
9.1 x 7.1 mm
$ 16.34
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ID: 44694316 pcs
thumb image of 3ct Pear Cabochon Multicolor Opal Doublet (ID: 446943)
2.97 ct Opal Doublet
4.8 x 3 mm
$ 44.55
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ID: 4468053 pcs
thumb image of 2.6ct Oval Cabochon Multicolor Opal Doublet (ID: 446805)
2.55 ct Opal Doublet
8.1 x 6 mm
$ 38.25
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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: 4492091 pcs
thumb image of 0.9ct Marquise Cabochon Multicolor Opal Doublet (ID: 449209)
0.89 ct Opal Doublet
10.2 x 5.1 mm
$ 12.99
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ID: 4468521 pcs
thumb image of 4.2ct Pear Cabochon Multicolor Opal Doublet (ID: 446852)
4.23 ct Opal Doublet
18.3 x 11.8 mm
$ 63.45
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ID: 4468741 pcs
thumb image of 2.7ct Oval Cabochon Multicolor Opal Doublet (ID: 446874)
2.74 ct Opal Doublet
16.1 x 8.5 mm
$ 41.10
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ID: 4492071 pcs
thumb image of 1.2ct Oval Cabochon Multicolor Opal Doublet (ID: 449207)
1.23 ct Opal Doublet
11.2 x 7.2 mm
$ 17.95
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ID: 4491351 pcs
thumb image of 9.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 449135)
9.40 ct Opal Doublet
21.8 x 14.6 mm
$ 137.15
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Opal Doublet
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 insure 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.

An opal doublet consists of a slice of opal glued to a black backing, designed to imitate the appearance of a solid black opal. Adhering the slice of opal to a black backing causes the colour to become much darker and more vibrant. Opal doublets are highly regarded as an inexpensive alternative to solid opals which are very expensive in larger sizes.
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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

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Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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