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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (195): 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 - 21.3ct Pear Cabochon (ID: 522171)

Pear Multicolor Boulder Opal

21.3ct
26.5 x 19.4 mm
$ 106.30
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Multicolor Boulder Opal Gem - 7.9ct Oval Cabochon (ID: 522957)

Oval Multicolor Boulder Opal

7.9ct
18.2 x 12.5 mm
$ 39.50
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Multicolor Boulder Opal Gem - 12.3ct Fancy Cabochon (ID: 522180)

Fancy Multicolor Boulder Opal

12.3ct
22.9 x 14.2 mm
$ 61.50
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Multicolor Boulder Opal Gem - 13.5ct Pear Cabochon (ID: 522129)

Pear Multicolor Boulder Opal

13.5ct
23.8 x 16.3 mm
$ 67.60
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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 - 15.7ct Oval Cabochon (ID: 522172)

Oval Multicolor Boulder Opal

15.7ct
26.3 x 13.6 mm
$ 78.60
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Multicolor Boulder Opal Gem - 10.8ct Cushion Cabochon (ID: 522962)

Cushion Multicolor Boulder Opal

10.8ct
28 x 8.7 mm
$ 54.20
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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 - 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 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.
Certified Customer Reviews
Overall Rating -> 10 star ratings
man their gems are pretty good, and the prices aren't to bad either, I like checking out hte gems on there website, beceause the pictures of the gems are taken pretty well, and you can see the table, and the facets.
Posted By Spinach in March, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I love gemselect and I have bought a fair amount from them. The only complaint I have is not being able to save gems. I have a lot of projects so i am in the market for a lot of different gems and it's so disappointing to have to delete them all just to purchase one or two that I have saved in my cart.
Posted By S.Hicks in March, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I always check this site because they have unique options.
Posted By Lisa in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Great website to navigate. Awesome Gem selection! Nice photos and discriptions for all of the gems for sale. You can find gems in all price ranges. Checkout was a breeze.
Posted By Timmy in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
They had an extensive gemstone selection in all different cuts, sizes, and colors. They also had very good and workable prices. All of these aspects pulled me in as a customer.
Posted By Josh in February, 2019
Source: Bizrate
Overall Rating -> 9 star ratings
It all depend on the product I will receive and have it verified by my in law jewellers.
Posted By Vodka in February, 2019
Source: Bizrate
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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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