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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (52): Multicolor Gemstones - Boulder Opal Clear All
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Multicolor Boulder Opal Gem - 42.7ct Oval Cabochon (ID: 322037)

Oval Multicolor Boulder Opal

42.7ct
27.5 x 20.8 mm
$ 299.11
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Multicolor Boulder Opal Gem - 35.8ct Pear Cabochon (ID: 321923)

Pear Multicolor Boulder Opal

35.8ct
26.4 x 23.5 mm
$ 250.67
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Multicolor Boulder Opal Gem - 32.4ct Pear Cabochon (ID: 321925)

Pear Multicolor Boulder Opal

32.4ct
28.4 x 23.2 mm
$ 227.08
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Multicolor Boulder Opal Gem - 27.4ct Oval Cabochon (ID: 453533)

Oval Multicolor Boulder Opal

27.4ct
35.8 x 12.4 mm
$ 603.46
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Multicolor Boulder Opal Gem - 27.9ct Fancy Cabochon (ID: 453559)

Fancy Multicolor Boulder Opal

27.9ct
26 x 18.5 mm
$ 614.46
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Multicolor Boulder Opal Gem - 21ct Oval Cabochon (ID: 321920)

Oval Multicolor Boulder Opal

21ct
27.9 x 12.8 mm
$ 147.28
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Multicolor Boulder Opal Gem - 20.9ct Oval Cabochon (ID: 300454)

Oval Multicolor Boulder Opal

20.9ct
25.5 x 14.9 mm
$ 146.44
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Multicolor Boulder Opal Gem - 21.2ct Pear Cabochon (ID: 449597)

Pear Multicolor Boulder Opal

21.2ct
25 x 18.5 mm
$ 148.40
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Multicolor Boulder Opal Gem - 20.7ct Pear Cabochon (ID: 300456)

Pear Multicolor Boulder Opal

20.7ct
23.1 x 15 mm
$ 145.18
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Multicolor Boulder Opal Gem - 22.7ct Fancy Cabochon (ID: 420682)

Fancy Multicolor Boulder Opal

22.7ct
29.3 x 12.9 mm
$ 135.90
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Multicolor Boulder Opal Gem - 21.5ct Pear Cabochon (ID: 321926)

Pear Multicolor Boulder Opal

21.5ct
28.9 x 18.8 mm
$ 150.22
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Multicolor Boulder Opal Gem - 17.6ct Fancy Cabochon (ID: 365230)

Fancy Multicolor Boulder Opal

17.6ct
19.4 x 13.3 mm
$ 122.85
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Multicolor Boulder Opal Gem - 21.6ct Trillion Cabochon (ID: 321846)

Trillion Multicolor Boulder Opal

21.6ct
21.2 x 20.6 mm
$ 151.48
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Multicolor Boulder Opal Gem - 17.3ct Oval Cabochon (ID: 302921)

Oval Multicolor Boulder Opal

17.3ct
28.8 x 14.7 mm
$ 121.31
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Multicolor Boulder Opal Gem - 22.2ct Oval Cabochon (ID: 302926)

Oval Multicolor Boulder Opal

22.2ct
22.7 x 18.1 mm
$ 155.12
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Multicolor Boulder Opal Gem - 17.3ct Pear Cabochon (ID: 302899)

Pear Multicolor Boulder Opal

17.3ct
23.5 x 13.5 mm
$ 120.89
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Multicolor Boulder Opal Gem - 22.5ct Oval Cabochon (ID: 321845)

Oval Multicolor Boulder Opal

22.5ct
24.8 x 20 mm
$ 157.78
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Multicolor Boulder Opal Gem - 22.7ct Oval Cabochon (ID: 321842)

Oval Multicolor Boulder Opal

22.7ct
21.8 x 16.5 mm
$ 158.69
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Multicolor Boulder Opal Gem - 15.1ct Round Cabochon (ID: 365231)

Round Multicolor Boulder Opal

15.1ct
16.4 mm
$ 105.63
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Multicolor Boulder Opal Gem - 23.3ct Oval Cabochon (ID: 302900)

Oval Multicolor Boulder Opal

23.3ct
20.8 x 14 mm
$ 163.38
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Multicolor Boulder Opal Gem - 13.5ct Fancy Cabochon (ID: 365223)

Fancy Multicolor Boulder Opal

13.5ct
26.5 x 11.8 mm
$ 94.64
Item in Stock
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Multicolor Gemstones
Multicolor gems are those which display multiple colors in a single stone. Some of these gems, such as tourmaline, fluorite and ametrine, have zones of different colors. Others, such as andalusite, are strongly pleochroic and display different colors from different angles. Also included in this category are gem lots which include stones of several colors, such as matched sapphires.
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Great selection. Love the many learning features like articles and gem information. Prices competitive for natural stones. I do miss not having a selection of lab-made stones, CZ’s, etc, which are useful when price and cost are factors.
Posted By Dirk in January, 2019
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Posted By BO in January, 2019
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As Always never disappointed in any gemstone I purchase from this site. I have never had a problem. Thank-You Gemselect for offering such a comprehensive variety . I will continue to order from this site.
Posted By Brian in January, 2019
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Overall Rating -> 10 star ratings
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Posted By Lifter in January, 2019
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Overall Rating -> 10 star ratings
Better than what I expected. Beautifully cut gem!
Posted By in January, 2019
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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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