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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (144): Opal Doublet Clear All
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2 pcs
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7.8ct Fancy Cabochon Blue Opal Doublet Gem (ID: 446934)
7.84 ct (total 15.67ctw) Opal Doublet
26.1 x 11 mm
$ 235.05
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1 pc
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0.8ct Baguette Cabochon Multicolor Opal Doublet Gem (ID: 503480)
0.75 ct Opal Doublet
9.2 x 4.3 mm
$ 16.13
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1 pc
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37.2ct Fancy Cabochon Blue Opal Doublet Gem (ID: 357909)
37.15 ct Opal Doublet
42.3 x 27.5 mm
$ 241.48
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1 pc
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1.2ct Pear Cabochon Multicolor Opal Doublet Gem (ID: 503615)
1.24 ct Opal Doublet
10.2 x 7 mm
$ 26.67
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1 pc
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0.8ct Baguette Cabochon Multicolor Opal Doublet Gem (ID: 503479)
0.81 ct Opal Doublet
10 x 4.1 mm
$ 17.42
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1 pc
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4.5ct Round Cabochon Multicolor Opal Doublet Gem (ID: 505379)
4.48 ct Opal Doublet
13.2 mm
$ 118.14
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1 pc
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8ct Fancy Cabochon Multicolor Opal Doublet Gem (ID: 420620)
7.99 ct Opal Doublet
19.2 x 14.1 mm
$ 127.84
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1 pc
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5.8ct Round Cabochon Multicolor Opal Doublet Gem (ID: 505381)
5.84 ct Opal Doublet
16.4 mm
$ 154.00
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15 pcs
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0.4ct Oval Cabochon Multicolor Opal Doublet Gem (ID: 503590)
0.38 ct (total 5.66ctw) Opal Doublet
6.1 x 3.9 mm
$ 121.75
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1 pc
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3ct Fancy Cabochon Multicolor Opal Doublet Gem (ID: 449163)
3.00 ct Opal Doublet
15.9 x 10.8 mm
$ 43.77
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2 pcs
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2.8ct Oval Cabochon Blue Opal Doublet Gem (ID: 391322)
2.75 ct (total 5.49ctw) Opal Doublet
17.5 x 7.6 mm
$ 121.60
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4 pcs
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1ct Oval Cabochon Multicolor Opal Doublet Gem (ID: 503295)
1.03 ct (total 4.11ctw) Opal Doublet
8 x 6.1 mm
$ 110.11
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2 pcs
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0.9ct Oval Cabochon Multicolor Opal Doublet Gem (ID: 303226)
0.90 ct (total 1.79ctw) Opal Doublet
8 x 5.9 mm
$ 44.75
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1 pc
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2.1ct Baguette Cabochon Multicolor Opal Doublet Gem (ID: 503556)
2.10 ct Opal Doublet
15.1 x 6.1 mm
$ 45.17
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2 pcs
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0.7ct Oval Cabochon Blue Opal Doublet Gem (ID: 249665)
0.72 ct (total 1.44ctw) Opal Doublet
8 x 6 mm
$ 36.23
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4 pcs
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0.6ct Pear Cabochon Multicolor Opal Doublet Gem (ID: 362331)
0.63 ct (total 2.52ctw) Opal Doublet
8.1 x 5.1 mm
$ 46.04
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1 pc
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1.4ct Teardrop Cabochon Multicolor Opal Doublet Gem (ID: 503197)
1.43 ct Opal Doublet
14.2 x 5.8 mm
$ 38.31
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8 pcs
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0.4ct Pear Cabochon Multicolor Opal Doublet Gem (ID: 446822)
0.41 ct (total 3.29ctw) Opal Doublet
7 x 4.9 mm
$ 49.35
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6 pcs
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0.6ct Oval Cabochon Multicolor Opal Doublet Gem (ID: 503221)
0.62 ct (total 3.71ctw) Opal Doublet
7 x 5.1 mm
$ 99.39
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1 pc
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2.3ct Baguette Cabochon Multicolor Opal Doublet Gem (ID: 503616)
2.32 ct Opal Doublet
18.1 x 5.3 mm
$ 49.90
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1 pc
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1.9ct Oval Cabochon Multicolor Opal Doublet Gem (ID: 503195)
1.89 ct Opal Doublet
13.1 x 8.2 mm
$ 50.63
Item in Stock
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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.
Certified Customer Reviews
Overall Rating -> 9 star ratings
My selection was made quickly and efficiently.
Posted By JimC in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
GemSelect has a great selection at reasonable prices. Gemstones are always as beautiful as pictured.
Posted By GemLover in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Colors and qualities of gems are very well represented online. Easy to use website. Great selections!
Posted By in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
This was my second purchase from GemSelect and definitely won’t be my last! They have a very wide variety of gems and you can always find what you are looking for with ease and the prices are very good.
Posted By Jill in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Loved the wide selection of product
Posted By Miki in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
finally bought the last rock to complete my ring idea; needed another white one after giving the big diamond to my daughter. a diamond that size is out of my retired-school-teacher budget, so i bought a white zircon. went back to the same place that i got my loose sapphire-- great selection, good prices, good delivery!
Posted By Ptcmom in November, 2018
Source: Bizrate
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length x width x depth,
except for round stones which are;
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