Buy 15 mm Round Calibrated Gemstones from GemSelect

How are 15 mm Round Shape Gems Sold ?

GemSelect’s Round Shape Calibrated 15mm gems for new designs or replacements available at competitive prices. Our selections are available as single stones, pairs, and lots in this large calibrated size. Select from Faceted Gemstones, Drilled-Spheres, and Sphere-Ball Cut Jewels in a variety of both semiprecious and precious stones.

We have a large selection of Cabochons available in 15 mm Round and Calibrated Size too!

What are Good Designs for 15mm Round Gems?

We suggest using round gemstones of this size in necklace designs, earrings, large rings, bracelets, and as pendants or elements to a larger arrangement. Our selections include many different materials with varying properties and design applications and always at affordable prices.

What are Good Ideas for GemSelects 15 mm Round Shape?

GemSelect's round stones can create extraordinary pieces when combined in multi-color or single color compositions. A 15mm stone can be striking on its own when used as a pendant enabling the color of the gem and metal used make the beauty in the design. For rings, we find a 15mm center stone in a single stone composition beautiful.

As always, jewelry is the most popular gift for your loved ones as Anniversary gifts, and our quality stones are sure to impress your customers allowing them to find something genuinely stunning for their special occasions. Another excellent idea for all Natural Gemstone Jewelry is Birthstone Gifts; please check out our page for information on which gem type to select.

Details About Calibrated Sizes.

GemSelect’s Round 15mm Calibrated gemstones range in size from 15.5mm - 14.4mm in all of our selected precious and semi-precious stones. Our inventory includes large amounts of Color-Change Fluorite, Smoky Quartz, Rutile Quartz, and many other unique jewels of this 15mm size.

GemSelect Welcomes Your Questions and Suggestions.

Please contact us if you have any questions, comments, or suggestions directly at help@gemselect.com. Thank you for choosing GemSelect!

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Overall Rating -> 9

It was simple and clear to understand.

Posted By Thora007 in December, 2023

Source: Bizrate

Overall Rating -> 10

I have used GemSelect for several years and plan to shop more in the further. This is a good source of information on gemstones. I love looking at and learning about them. Lot more than I ever knew existed.

Posted By Bikerwalrus in October, 2023

Source: Bizrate

Overall Rating -> 10

LOVE YOU GUYS. YOU CARRY EVERY GEMSTON I WANT. THE PRICE IS GREAT,THE PRODUCT IS OUTSTANDING,AND THE SERVICE CANT BE BEET.

Posted By APPS in April, 2024

Source: Bizrate

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

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

I purchase all of my stones from GemSelect! They're the best I've found for both selection and value.

Posted By Terry in June, 2023

Source: Bizrate

Overall Rating -> 10

I was looking for a source for affordable genuine gemstones for my grandson who is currently very interested in rocks and gems. I was quite surprised and pleased to find GemSelect and finding the right stones at the right price couldn't have been simpler.

Posted By Papa in December, 2023

Source: Bizrate

Overall Rating -> 10

I’ve enjoyed purchasing stones from this site. It’s convenient and fairly priced.

Posted By Chico in May, 2023

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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

Well presented images, clear information, quick and easy check out.

Posted By Mr. Bezel in July, 2023

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Overall Rating -> 10

Very good, very fast, everything as described.

Posted By B in October, 2023

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Overall Rating -> 10

Overall, the whole process was just great.

Posted By Thatoneguy in August, 2023

Source: Bizrate

Overall Rating -> 10

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

Posted By Jen in August, 2023

Source: Bizrate

Overall Rating -> 10

I was pleased with the selection of gems, the ease of navigating, and the smooth checkout

Posted By JamesMichael781 in September, 2023

Source: Bizrate

Overall Rating -> 10

I am excited for my first order, search tools were a great help to find the sapphire I needed for my next project! Thank you

Posted By Sue in April, 2023

Source: Bizrate

Gemstones A-Z

Buy Round Shape 15 mm Gems

0.85 ct Orange Sphalerite, 5.5 mm Round Cut From Congo

3.01 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 9.8 mm

1.16 ct Black Diamond, 5.5 x 5.4 mm Princess Cut From India

0.79 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.2 x 5.1 mm

0.97 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.9 x 5.7 mm

5.32 ct Yellow Quartz, 13.2 x 8.1 mm Marquise Concave Cut From Brazil

1.58 ct Yellow Sphene, 7.4 x 6.1 mm Oval Cut From Sri Lanka

6.86 ct Oval Coral, 15.3 x 12.1 mm From Indonesia

0.85 carat Yellow Beryl, Pear Shape loose Beryl from Brazil, Natural Untreated Gem, 8 x 5.2 mm

11.09 ct Baguette Rainbow Moonstone, 20.9 x 8.5 mm From the United States

3.16 carat Carved Flower Ruby, loose Certified Ruby from Madagascar, Natural Gem, 12.6 x 7.4 mm

0.18 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.3 mm

3.37 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6.9 mm

28.84 ct Trillion Jasper, 29.3 x 24.2 mm From Mexico

21.26 carat Pear Tiger's Eye Matrix, loose Certified Tiger's Eye Matrix from Mexico, Natural Untreated Gem, 23.5 x 14.8 mm

6.32 carat Pink Topaz, Round loose Topaz from Brazil, Natural Gem, 11.1 mm

5.01 ct Marquise Rutile Quartz, 16.4 x 8.1 mm From India

4.12 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16 x 5.5 mm

1.16 ct Green Sphene, 6.5 x 6.3 mm Oval Cut From Sri Lanka

18.9 ct Yellow Quartz, 26.7 x 16.6 mm Carved From Brazil

4.83 carat London Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 10.2 x 10.1 mm

0.7 carat Green Sapphire, Oval loose Sapphire from Tanzania, Natural Gem, 6.1 x 4.1 mm

3.8 ct Orange Andesine Labradorite, 11.1 x 9.1 mm Oval Cut From Congo

4.71 carat Swiss Blue Topaz, Emerald-Cut loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

18.58 ct Oval Rose Quartz, 18.2 x 13.1 mm From South Africa

1.78 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 7 mm

1.26 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.7 x 5.6 mm

0.98 carat Yellow Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 8.2 x 6 mm

3.48 ct Green Agate, 9.9 x 8.6 mm Oval Cut From India

1.49 ct Oval Chocolate Opal, 9.1 x 7.1 mm From Ethiopia

0.1 ct Black Diamond, 1.9 x 1.9 mm Princess Cut From India

0.34 ct Loose Yellow Sapphire, 4.1 mm Round Cut From Tanzania

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