Buy Big 15 Carat Natural Gemstones
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Bi-color 15 ct Gemstones
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Black 15 ct Gemstones
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Blue 15 ct Gemstones
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Brown 15 ct Gemstones
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Golden
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Gray 15 ct Gemstones
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Green 15 ct Gemstones
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Multicolor 15 ct Gemstones
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Orange 15 ct Gemstones
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Pink 15 ct Gemstones
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Purple 15 ct Gemstones
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Red 15 ct Gemstones
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Turquoise 15 ct Gemstones
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Violet 15 ct Gemstones
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White 15 ct Gemstones
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Yellow 15 ct Gemstones
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
15.12ct Multicolor Agate, Oval, Opaque
15 x 15 mm (calibrated)
$ 21.33
15.60ct Violet Amethyst, Emerald Cut, VVS
18 x 13 mm (calibrated)
$ 108.76
15.69ct Green Prehnite, Fancy, Translucent
20.3 x 13.4 mm
$ 27.16
15.12ct Multicolor Agate, Fancy, Translucent
16.8 x 9.5 mm
$ 26.48
15.71ct Blue Topaz, Pear Shape, VVS-VS
17.5 x 12 mm
$ 109.53
15.73ct Multicolor Boulder Opal, Pear Shape, Opaque
36.4 x 16.2 mm
$ 78.34
15.43ct Red Strawberry Quartz, Oval, Translucent
17.7 x 13.6 mm
$ 118.33
15.86ct Yellow Quartz, Oval, Transparent
16.6 x 13.3 mm
$ 15.79
15.32ct Red Star Garnet, Oval, Opaque
17.2 x 10.6 mm
$ 15.87
15.53ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 155.30
15.91ct Purple Ruby, Fancy, Opaque
34.3 x 12.3 mm
$ 369.72
15.18ct White Howlite, Pear Shape, Opaque
23.6 x 16.4 mm
$ 7.56
15.33ct Black Tourmaline, Oval, Opaque
16.8 x 14.2 mm
$ 76.34
15.07ct Multicolor Jasper, Cushion, Opaque
23.5 x 18.1 mm
$ 16.52
15.59ct Brown Moonstone, Fancy, Translucent
24.4 x 14.3 mm
$ 17.94
15.73ct Blue Larimar, Oval, Opaque
20 x 15 mm (calibrated)
$ 187.81
15.21ct Blue Lapis Lazuli, Oval, Opaque
16 x 12 mm (calibrated)
$ 26.05
15.95ct Purple Ruby-Zoisite, Flower Cut, Opaque
14 x 12 mm (calibrated)
$ 19.38
15.64ct Red Star Garnet, Oval, Opaque
12.9 x 11.4 mm
$ 15.42
15.41ct Red Ruby, Oval, VS-SI
14.5 x 12.9 mm
$ 491.14
15.06ct Green Uvarovite Garnet Drusy, Oval, Opaque
18.9 x 12.5 mm
$ 49.00
15.04ct Black Tourmaline, Emerald Cut, Opaque
20.4 x 10.6 mm
$ 74.90
15.82ct Black Obsidian, Trillion, Opaque
23.6 x 20.4 mm
$ 26.00
15.60ct Multicolor Cinnabar, Oval, Opaque
23.3 x 16.5 mm
$ 18.26
Why Buy 15 Ct Gemstones from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 8 
Good prices
Overall Rating -> 10 
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Overall Rating -> 10
Very good.
Overall Rating -> 10
I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.
Overall Rating -> 10
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
Overall Rating -> 10
The stones are very nice.
