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

GemSelect has a fantastic assortment of Semi-precious stones. I have not found any other web site with the variety you have.

Posted By RobDill in August, 2023

Source: Bizrate

Overall Rating -> 10

love yall

Posted By Rock hunter in August, 2023

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Overall Rating -> 8

purchased birthstones to be mounted into stud earrings as a gift for a friend's gift

Posted By MI photo in May, 2023

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Overall Rating -> 10

Easy and fast

Posted By Mark in February, 2024

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Overall Rating -> 10

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

Posted By Orphanboy in December, 2023

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Overall Rating -> 9

Easy to use. Limited supply of higher quality gemstones.

Posted By Newfguy in February, 2024

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Overall Rating -> 10

The website is easy to navigate and the images are incredible.

Posted By Lindsy in October, 2023

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Overall Rating -> 9

I have been buy from you for years

Posted By JohnA in May, 2023

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Overall Rating -> 10

My only complaint is that there are so many beautiful and affordable stones that I get distracted from what I planned to order.

Posted By Phoenix in March, 2024

Source: Bizrate

Overall Rating -> 10

Was easy to search for many gems and mineral stones.Authenticity of natural stones is important, and I feel this site offers some assurance on this.

Posted By DanM in November, 2023

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Overall Rating -> 10

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023

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Overall Rating -> 10

I loved the opportunity to shop on a website that I could trust 👍

Posted By Will J. Lover in September, 2023

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Overall Rating -> 10

I searched for the item by description and millimeter and had my choice come up and then made the best selection.

Posted By Tim in April, 2024

Source: Bizrate

Overall Rating -> 10

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023

Source: Bizrate

Overall Rating -> 10

I love GemSelect, photos and details are great.

Posted By #1 in February, 2024

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Gemstone EDUCATION

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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

26.37 ct Oval Moss Agate, 28.2 x 13 mm From India

0.94 ct Loose Princess Cut Sapphire, 2.3 x 2.2 mm From Tanzania

48.51 carat Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 27 x 21.7 mm

4.57 ct Oval Strawberry Quartz, 11.2 x 9.2 mm From Russia

2.44 ct Round Labradorite, 6.2 mm From Madagascar

2.05 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.4 x 7 mm

6.51 ct Oval Coral, 16.8 x 11.2 mm From Indonesia

1.24 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10.7 x 3.9 mm

5.21 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 17.9 x 9.7 mm

1.05 ct Oval Sillimanite Cat's Eye, 6.1 x 5.8 mm From Madagascar

14.47 ct Black Spinel, 12 mm Round Rose Cut From Thailand

6.65 ct Rainbow Pyrite, 15.8 x 11.7 mm From Russia

7.71 ct Oval Tiger's Eye, 12.3 x 8.3 mm From Thailand

2.54 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 8.1 x 6 mm

2.83 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10.5 x 5.9 mm

1.93 ct Loose Orange Hessonite Garnet, 8.1 x 6.6 mm Oval Cut From Madagascar

0.86 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 7.9 x 5.6 mm

0.77 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 5.1 x 5.1 mm

1.02 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 5.5 mm

1.08 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gem, 7.1 x 5 mm

1.79 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gems, 8 x 6.1 mm

1.97 carat Pear Shape Kornerupine, loose Certified Kornerupine from Sri Lanka, Natural Untreated Gems, 7 x 4.4 mm

1.13 ct Violet Spinel, 6.4 x 5.6 mm Oval Cut From Tanzania

0.45 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 3.8 mm

1.15 ct Yellow Beryl, 7.2 x 7 mm Trillion Cut From Brazil

2.66 ct Oval Strawberry Quartz, 9.2 x 7.1 mm From Russia

0.56 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.1 mm

1.09 ct Loose Red Tourmaline, 6.2 mm Round Cabochon From Mozambique

2.38 ct Oval Cut Strawberry Quartz, 8.1 x 6.2 mm From Russia

49.2 ct Oval Jasper, 34.7 x 22.1 mm From Indonesia

0.5 ct Violet Spinel, 5.1 mm Round Cut From Tanzania

3.07 ct Green Sphene, 8.6 x 7.5 mm Oval Cut From Sri Lanka

Gemstone Information

Gemstone SHOP

POLICIES

WHO ARE WE?

Gemstone EDUCATION

WE ARE LOCATED AT