Buy Big 15 Carat Natural Gemstones

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.

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Gemstone Information

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Overall Rating -> 9

I was in the market for birthstones for a lil gift project im doing. I'm no expert in gems or what not but the quality as far as i can tell seems to be spot on.

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Overall Rating -> 10

it was good

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Overall Rating -> 10

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Overall Rating -> 10

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Overall Rating -> 10

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Overall Rating -> 10

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Overall Rating -> 10

Great selection

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Overall Rating -> 10

The website is easy to search, the variety of gems is excellent and the educational information is interesting and helpful! Love browsing and shopping the GemSelect website!

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Overall Rating -> 10

Trustworthy site. I've had several good experiences with company. Products always have met my expectations. Thank you.

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Overall Rating -> 10

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Overall Rating -> 9

The selection and filtering is a little overwhelming, but that's only because there is so much to choose from.

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Overall Rating -> 10

Found the stone I wanted which was delivered quickly and met expectations.

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Overall Rating -> 10

Easy to find products I want. I've ordered several times from gem select and never any problems. Will order again. Thank you.

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Overall Rating -> 10

i love this site, the gems are always of good quality, i've been buy gifts from the site for 10 years, love it

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T. Chantanimit, A. Muang
Chanthaburi 22000
THAILAND
Phone: 1-800-464-1640
Phone: +66-39601289

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Gemstones A-Z

Buy 15 ct Gemstones

9.13 ct Yellow Quartz, 13 x 12.9 mm Asscher Cut From Brazil

0.38 ct Blue Apatite, 3.5 mm Round Cut From Madagascar

8.01 carat Swiss Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 17.6 x 13.3 mm

25.83 ct Oval Jasper, 20.1 x 15.1 mm From Indonesia

36.05 ct Cushion Fossil Coral, 20.8 x 15.5 mm From Indonesia

12 ct Loose Oval Agate, 15.2 x 12.7 mm From Indonesia

1.51 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 9.1 x 4.8 mm

12.51 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 16.6 x 15.2 mm

12.72 ct Cushion Boulder Opal, 24.2 x 9.7 mm From Australia

0.48 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.2 x 3.7 mm

0.02 ct Loose Blue Diamond, 2.2 mm Diamond Cut From India

1.2 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.3 x 3.1 mm

24.01 ct Oval Cat's Eye Opal, 24.5 x 17.5 mm From Brazil

0.21 ct Octagon Cut Iolite, 4.8 x 3 mm From Madagascar

12.51 ct Fancy Boulder Opal, 23.5 x 14.3 mm From Australia

2.41 ct Oval Cat's Eye Opal, 9.3 x 7.2 mm From Madagascar

2.6 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.2 mm

3.14 ct Pink Morganite, 11 x 8 mm Oval Cut From Afghanistan

0.62 ct Loose Yellow Sapphire, 6 x 4 mm Oval Cut From Tanzania

1.02 carat Pear Shape Chrysoberyl, loose Certified Chrysoberyl from Sri Lanka, Natural Untreated Gem, 7.6 x 5.6 mm

2.14 ct Cushion Cut Peridot, 8.5 x 6.4 mm From Myanmar

11.62 ct Yellow Quartz, 10.9 x 10.4 mm Oval Cut From Brazil

2.47 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10.1 x 5.1 mm

0.46 ct Loose Purple Sapphire, 5.1 x 2.8 mm Marquise Cut From Tanzania

23.1 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 17.8 x 15 mm

0.56 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gem, 5.1 x 4.1 mm

2.01 carat Round Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 2.1 mm

0.5 ct Round Labradorite, 5.2 mm From Madagascar

0.66 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 4.5 mm

0.96 carat Trillion Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5.2 x 5.1 mm

1.56 ct Round Cut Strawberry Quartz, 7.9 mm From Russia

20.63 ct Loose Oval Bloodstone, 20.5 x 16.5 mm From Madagascar

Gemstone Information

Gemstone SHOP

POLICIES

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Gemstone EDUCATION

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