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ID: 2940504 pcs
thumb image of 2.4ct Oval Cabochon Multicolor Opal Doublet (ID: 294050)
2.37ct Opal Doublet
7.14 x 5.12 x 1.68mm
USD 71.10
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ID: 3579111 pcs
thumb image of 16.6ct Fancy Cabochon Multicolor Opal Doublet (ID: 357911)
16.57ct Opal Doublet
27.40 x 20.52 x 3.84mm
USD 107.70
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ID: 4206111 pcs
thumb image of 8.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 420611)
8.39ct Opal Doublet
21.52 x 15.45 x 2.60mm
USD 134.24
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ID: 3913412 pcs
thumb image of 3.5ct Pear Cabochon Multicolor Opal Doublet (ID: 391341)
3.53ct Opal Doublet
12.92 x 8.17 x 2.24mm
USD 59.34
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ID: 3577841 pcs
thumb image of 9.7ct Fancy Cabochon Multicolor Opal Doublet (ID: 357784)
9.72ct Opal Doublet
20.68 x 17.26 x 3.60mm
USD 63.18
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ID: 3811711 pcs
thumb image of 3.2ct Fancy Cabochon Multicolor Opal Doublet (ID: 381171)
3.16ct Opal Doublet
16.53 x 10.59 x 2.83mm
USD 57.95
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ID: 4207841 pcs
thumb image of 4.6ct Fancy Cabochon Multicolor Opal Doublet (ID: 420784)
4.59ct Opal Doublet
16.85 x 10.85 x 2.88mm
USD 73.44
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ID: 3579091 pcs
thumb image of 37.2ct Fancy Cabochon Multicolor Opal Doublet (ID: 357909)
37.15ct Opal Doublet
42.33 x 27.50 x 4.50mm
USD 241.48
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ID: 4287654 pcs
thumb image of 2.1ct Oval Cabochon Multicolor Opal Doublet (ID: 428765)
2.12ct Opal Doublet
6.84 x 4.98 x 1.65mm
USD 49.14
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ID: 3913422 pcs
thumb image of 6.7ct Pear Cabochon Multicolor Opal Doublet (ID: 391342)
6.68ct Opal Doublet
17.42 x 8.63 x 2.92mm
USD 112.29
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ID: 4206191 pcs
thumb image of 9.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 420619)
9.40ct Opal Doublet
26.24 x 13.28 x 2.82mm
USD 150.40
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ID: 3623314 pcs
thumb image of 2.5ct Pear Cabochon Multicolor Opal Doublet (ID: 362331)
2.52ct Opal Doublet
8.09 x 5.10 x 2.00mm
USD 46.04
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ID: 3636764 pcs
thumb image of 2ct Oval Cabochon Multicolor Opal Doublet (ID: 363676)
2.02ct Opal Doublet
7.02 x 5.07 x 1.88mm
USD 38.52
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ID: 3579151 pcs
thumb image of 11.4ct Fancy Cabochon Multicolor Opal Doublet (ID: 357915)
11.42ct Opal Doublet
27.91 x 14.55 x 3.57mm
USD 74.23
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ID: 3625374 pcs
thumb image of 2ct Pear Cabochon Multicolor Opal Doublet (ID: 362537)
1.99ct Opal Doublet
7.28 x 5.04 x 1.81mm
USD 36.36
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ID: 4004014 pcs
thumb image of 1.9ct Pear Cabochon Multicolor Opal Doublet (ID: 400401)
1.85ct Opal Doublet
7.07 x 4.88 x 1.82mm
USD 33.80
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ID: 3577871 pcs
thumb image of 6.9ct Fancy Cabochon Multicolor Opal Doublet (ID: 357787)
6.85ct Opal Doublet
22.81 x 13.89 x 3.39mm
USD 44.52
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ID: 3577861 pcs
thumb image of 5.5ct Fancy Cabochon Multicolor Opal Doublet (ID: 357786)
5.53ct Opal Doublet
17.04 x 13.23 x 3.26mm
USD 35.94
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ID: 20124216 pcs
thumb image of 12.1ct Oval Cabochon Multicolor Opal Doublet (ID: 201242)
12.07ct Opal Doublet
8.05 x 6.04 x 1.64mm
USD 54.32
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ID: 3579721 pcs
thumb image of 6.2ct Fancy Cabochon Multicolor Opal Doublet (ID: 357972)
6.16ct Opal Doublet
17.51 x 13.89 x 3.36mm
USD 40.04
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ID: 3913848 pcs
thumb image of 4.6ct Pear Cabochon Multicolor Opal Doublet (ID: 391384)
4.64ct Opal Doublet
8.21 x 5.15 x 2.20mm
USD 78.00
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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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Gems are always measured in Millimeter (mm)

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Note: 1ct = 0.2g

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