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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (601): 15 Carat Gems Clear All
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15.4ct Oval Facet Cinnamon Orange Hessonite Garnet Gem (ID: 333383)
15.39 ct Hessonite Garnet
16.8 x 13.5 mm
$ 2,308.50
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15.5ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484919)
15.50 ct Mystic Topaz
16 x 12.1 mm
$ 139.50
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15.3ct Carved Leaf Lemon Quartz Gem (ID: 470102)
15.29 ct Quartz
17.1 x 17 mm
$ 53.52
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15ct Pear Cabochon Gold Pyrite Gem (ID: 489107)
14.98 ct Pyrite
19.4 x 13.1 mm
$ 13.48
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15.4ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484926)
15.37 ct Mystic Topaz
15.9 x 11.9 mm
$ 138.33
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15.9ct Oval Cabochon Orange Cream Star Moonstone Gem (ID: 262109)
15.93 ct Star Moonstone
14.2 x 13.4 mm
$ 63.72
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14.7ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484916)
14.68 ct Mystic Topaz
16 x 12.1 mm
$ 132.12
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15.4ct Round Facet Brown Smoky Quartz Gem (ID: 497336)
15.43 ct Smoky Quartz
17.8 mm
$ 77.15
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14.9ct Fancy Cabochon Blue-Sheen Gray Labradorite Gem (ID: 499681)
14.87 ct Labradorite
24.8 x 11.5 mm
$ 15.61
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15.3ct Oval Facet Golden Apatite Gem (ID: 382102)
15.28 ct Apatite
16.9 x 14.1 mm
$ 895.87
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15.4ct Octagon / Scissor Cut Light Blue Aquamarine Gem (ID: 450370)
15.37 ct Aquamarine
23.7 x 9.2 mm
$ 3,074.00
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15.4ct Oval Cabochon Yellow Opal Gem (ID: 462135)
15.44 ct Opal
18.8 x 15.7 mm
$ 621.61
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15.5ct Oval Cabochon Orange Moonstone Gem (ID: 359884)
15.54 ct Moonstone
20.3 x 14.3 mm
$ 31.08
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15ct Fancy Cabochon Multicolor Fire Agate Gem (ID: 490659)
15.00 ct Fire Agate
23.4 x 15.9 mm
$ 82.50
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15.7ct Oval Facet Greenish Golden Apatite Gem (ID: 398364)
15.65 ct Apatite
18.8 x 13.5 mm
$ 745.10
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15.4ct Pear Cabochon White Blue Rainbow Moonstone Gem (ID: 491943)
15.41 ct Rainbow Moonstone
20.8 x 17.7 mm
$ 25.73
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15.1ct Pear Cabochon Yellow Fire Opal Gem (ID: 380404)
15.07 ct Fire Opal
27.2 x 14.9 mm
$ 325.66
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14.5ct Fancy Crystal Cluster Multicolor Agate Geode Gem (ID: 446968)
14.53 ct (total 29.06ctw) Agate Geode
21.9 x 18.6 mm
$ 72.65
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14.8ct Pear Cabochon Multicolor Fossil Coral Gem (ID: 455520)
14.83 ct (total 29.65ctw) Fossil Coral
22.8 x 14.4 mm
$ 29.65
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14.6ct Fancy Crystal Cluster Multicolor Agate Geode Gem (ID: 450225)
14.58 ct (total 29.16ctw) Agate Geode
24.4 x 16.5 mm
$ 72.61
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15.3ct Oval Facet Red Strawberry Quartz Gem (ID: 472443)
15.28 ct Strawberry Quartz
19.2 x 13.9 mm
$ 106.96
Item in Stock
15 Carat Gems
Buy gems by weight. Shop from our extensive range of beautiful, natural 15-carat gems. Browse the largest selection of natural loose colored gemstones available in 15 carats. Our large gemstone selection includes many popular gem types, such as amethyst, citrine, topaz and turquoise, and lesser-known gems, including ruby-zoisite, ammolite and maw-sit-sit. From here, you can use our filters at the top or on the left-hand side to find gems by gem type, color, shape, cut and so on. For example, select 'tourmaline' to see all of our 15-carat tourmaline gems. Select 'multicolor' to shop for 15-carat multicolor gems. You can also filter by single, pairs, lots, faceted gems or cabochons by using the check boxes at the top.
Certified Customer Reviews
Overall Rating -> 10 star ratings
first purchase, this is a test
Posted By Bob in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have purchased from Gemselect before, the shopping is easy, clear and quick. You have a wide range of products so I can adjust what I want to how much I can spend! The photos of the gems are beautiful and make it easy to choose the one suits me best! I honestly cannot fault you in any way at all! The delivery is always timely too! You guys rock! ;)
Posted By Ljimac1883 in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Website easy to use!!
Posted By Jody in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to use. and fast shipping
Posted By Jj in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Gem Select is a wonderful site for a small business it took us a little time to get acquainted with the site but it all works well. We are happy with the quality and the merchandise and the certificate option.
Posted By Paddy whack in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to use and informative website. There was more than ample information provided about the gemstones and the process.
Posted By Kathy in September, 2018
Source: Bizrate
Popular Gemstones
All Gemstones (139)
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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