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 -> 10

It was easy to search and find what i wanted

Posted By Gunner in November, 2023

Source: Bizrate

Overall Rating -> 10

Fine. All emails answered. Excellent service. Nice discount added for orders. Briefly, a very good experience.

Posted By C.J. in February, 2024

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Overall Rating -> 9

Not easy enough to buy by exact size, and many stones aren't carbechon curved shape on top

Posted By Erick in July, 2023

Source: Bizrate

Overall Rating -> 10

The website is user friendly, has excellent selection. I've always found what I was looking for with Gem Select. When others don't have it they do. And most important, they have a way for you to pay without using PayPal. I cannot use PayPal they closed my account because of no cell phone.

Posted By NJD in September, 2023

Source: Bizrate

Overall Rating -> 9

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

Posted By Kasper in June, 2023

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Overall Rating -> 9

It went well

Posted By Rob in December, 2023

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Overall Rating -> 10

The website design is a bit finicky for mobile, but Im sure its most likely just a mobile issue. Amazing selection of products, great prices.

Posted By Kuba in December, 2023

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Overall Rating -> 10

I found it to be easy to browse and easy to use

Posted By Kyle in December, 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

Source: Bizrate

Overall Rating -> 10

This is only the second time I have ordered from GemSelect. I am a prolific gemstone collector and I wish I had found this site sooner!

Posted By Beachcomber in September, 2023

Source: Bizrate

Overall Rating -> 10

Very Good

Posted By Julian in July, 2023

Source: Bizrate

Overall Rating -> 10

Super easy to do business for great products.

Posted By BoBBy in January, 2024

Source: Bizrate

Overall Rating -> 10

Very large selection of items and we used the stones to have several pieces of jewelry made for us.

Posted By Joe in January, 2024

Source: Bizrate

Overall Rating -> 10

I had a great time searching all the lovely stones. This is my first precious loose stone purchase for my own work. I chose sapphire, and found some lovely briolettes. I wanted 3, but this set of 4 was perfect. Everything was quick and easy, and I'm excited.

Posted By Phoenix in February, 2024

Source: Bizrate

Overall Rating -> 10

I find the website user friendly.

Posted By Becky in August, 2023

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Phone: +66-39601289

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Gemstones A-Z

Buy 15 ct Gemstones

0.71 carat Purple Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 6.5 x 4.6 mm

8.49 carat Sky Blue Topaz, Emerald Cut loose Topaz from Brazil, Natural Gems, 9.2 x 9 mm

2.18 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 13.5 x 4.4 mm

0.45 ct Loose Orange Sapphire, 5.9 x 4.1 mm Oval Cut From Tanzania

1.99 ct Oval Strawberry Quartz, 7.7 x 5.9 mm From Russia

1.42 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.4 x 6.3 mm

1.67 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.3 x 5.2 mm

3.01 carat Round Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 6.3 mm

0.45 ct Loose Orange Sphalerite, 4.4 mm Round Cut From Spain

1.57 ct Blue Apatite, 5 x 4 mm Oval Cut From Madagascar

11.62 ct Marquise Pietersite, 39.4 x 8.2 mm From Namibia

2.75 ct Blue Green Grandidierite, 9.5 x 8.1 mm Oval Cut From Madagascar

2.02 ct Oval Cut Golden Beryl, 10 x 7.4 mm From Madagascar

8.92 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gems, 14.8 x 8.8 mm

6.3 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.5 x 8.1 mm

3.23 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.2 x 4.2 mm

10.16 ct Oval Cut Labradorite, 18.2 x 13.3 mm From Madagascar

1.1 ct Violet Spinel, 6.2 x 5.9 mm Cushion Cut From Tanzania

21.86 ct Brown Moonstone, 19.8 x 14.9 mm Oval Cut From India

0.73 ct Loose Yellow Sapphire, 5.2 mm Round Cut From Tanzania

15.91 ct Loose Pear Dendritic Agate, 18 x 13.2 mm From India

0.4 ct Loose Yellow Sapphire, 5.2 x 2.6 mm Marquise Cut From Tanzania

1.31 ct Loose Yellow Sapphire, 6.1 x 5.1 mm Oval Cut From Tanzania

3.1 ct Multicolor Mystic Quartz, 10 x 6.6 mm Trillion Concave Cut From Brazil

5.84 ct Yellow Agate, 13.1 x 11.6 mm Oval Cut From India

3.56 ct Loose Orange Sapphire, 6.1 x 5.1 mm Oval Cut From Tanzania

1.68 ct Yellow Quartz, 12.2 x 11.9 mm Carved From Brazil

2.35 ct Round Cut Andalusite, 4.1 mm From Brazil

23.03 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 23.7 x 16.4 mm

0.79 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.2 x 5.1 mm

49.58 ct Fancy Jasper, 31.1 x 27.1 mm From Indonesia

14.68 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 21.1 x 15.3 mm

Gemstone Information

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Gemstone EDUCATION

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