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Buy Heat Only Gemstones

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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (8493): Heat Only Gemstones Clear All
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Blue Green Apatite Gem - 2.9ct Cushion-Cut (ID: 407120)

Cushion Green Apatite

2.9ct
11.1 x 6.1 mm
$ 193.33
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4 pcs
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Multicolor Sapphire Gem - 0.7ct Octagon Facet (ID: 444395)

Octagon / Emerald Cut Multicolor Sapphire

0.66 ct (total 2.62ctw)
6 x 4.1 mm
$ 315.87
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1 pc
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Deep Blue Sapphire Gem - 1ct Marquise Facet (ID: 509737)

Marquise Blue Sapphire

1ct
8.2 x 4.1 mm
$ 192.00
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1 pc
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Click for Product Video (458367)
Green Sapphire Gem - 4.5ct Oval Facet (ID: 458367)

Oval Green Sapphire

4.5ct
10.8 x 9.1 mm
$ 2,485.65
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1 pc
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Click for Product Video (400696)
Golden Yellow Zircon Gem - 22.8ct Oval Facet (ID: 400696)

Oval Yellow Zircon

22.8ct
16.9 x 13.4 mm
$ 2,249.99
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1 pc
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Click for Product Video (459874)
Blue Zircon Gem - 4.8ct Round Facet (ID: 459874)

Round Blue Zircon

4.8ct
8.3 mm
$ 580.80
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2 pcs
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White Zircon Gem - 1.2ct Oval Facet (ID: 440768)

Oval White Zircon

1.24 ct (total 2.48ctw)
7.1 x 5.1 mm
$ 13.52
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2 pcs
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Blue Sapphire Gem - 0.6ct Diamond-Cut (ID: 441511)

Round Blue Sapphire

0.62 ct (total 1.24ctw)
5.2 mm
$ 496.00
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1 pc
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Click for Product Video (402659)
Pink Red Ruby Gem - 1.1ct Oval Facet (ID: 402659)

Oval Red Ruby

1.1ct
7.1 x 5 mm
$ 798.00
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1 pc
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Click for Product Video (488894)
Light to Deep Blue Kyanite Gem - 4.6ct Oval Facet (ID: 488894)

Oval Blue Kyanite

4.6ct
11.2 x 9 mm
$ 254.36
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1 pc
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Click for Product Video (459876)
Blue Zircon Gem - 4.5ct Round Facet (ID: 459876)

Round Blue Zircon

4.5ct
8.3 mm
$ 542.40
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1 pc
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Click for Product Video (402262)
Pink Red Ruby Gem - 2.1ct Marquise Facet (ID: 402262)

Marquise Red Ruby

2.1ct
12.3 x 5.8 mm
$ 2,568.00
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308 pcs
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Blue Apatite Gem - 0.1ct Round Facet (ID: 503687)

1 pc (avg. 0.07 ct) Blue Apatite

2.5 mm
$ 1.58
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2 pcs
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White Zircon Gem - 1.9ct Round Facet (ID: 377893)

Round White Zircon

1.89 ct (total 3.77ctw)
6.5 mm
$ 101.26
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1 pc
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Bluish Green Kyanite Gem - 5.2ct Octagon Step Cut (ID: 488891)

Octagon / Emerald Cut Green Kyanite

5.2ct
9.3 x 9.2 mm
$ 363.30
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2 pcs
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Click for Product Video (441553)
Blue Sapphire Gem - 0.7ct Diamond-Cut (ID: 441553)

Round Blue Sapphire

0.68 ct (total 1.36ctw)
5.4 mm
$ 544.00
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1 pc
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Click for Product Video (447488)
Blue Zircon Gem - 3.2ct Round Facet (ID: 447488)

Round Blue Zircon

3.2ct
7.9 mm
$ 312.84
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2 pcs
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White Zircon Gem - 1.7ct Diamond-Cut (ID: 405471)

Round White Zircon

1.65 ct (total 3.30ctw)
6.6 mm
$ 81.61
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1 pc
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Click for Product Video (458807)
Violet Blue Tanzanite Gem - 2.7ct Cushion-Cut (ID: 458807)

Cushion Blue Tanzanite

2.7ct
9.5 x 6.6 mm
$ 540.00
Item in Stock
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1 pc
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Click for Product Video (499577)
Violet Blue Tanzanite Gem - 5ct Cushion-Cut (ID: 499577)

Cushion Blue Tanzanite

5ct
13.1 x 8.3 mm
$ 1,405.60
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4 pcs
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Multicolor Sapphire Gem - 0.7ct Octagon Facet (ID: 444391)

Octagon / Emerald Cut Multicolor Sapphire

0.67 ct (total 2.69ctw)
6.1 x 4 mm
$ 324.31
Item in Stock
Heat Only Gemstones
Buy Untreated Gemstones, or routine heat only: Natural semi-precious gems that have no other enhancements other than routine heating, cutting and polishing. This means no chemicals, dyes, raditation or any other type of gemstone treatment process that many connoisseurs would consider the gemstone to be rendered as 'not natural' after such enhancements. In the case of sapphire and ruby, heating it considered routing -- and oiling for emerald -- are accepted by most of the gem trade as being perfectly fine as long as it's disclosed -- so these products shown on these pages will show only gemstones that have been routine heated (or completely untreated)!
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

Size Comparison Chart