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 -> 10

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

Posted By C.J. in February, 2024

Source: Bizrate

Overall Rating -> 10

I love the clear description of the certification options. It's very rare to see a gem site that offers a deep explanation of each institution that would certify the stone(s).

Posted By Oakcityceo in May, 2023

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Overall Rating -> 10

Found what I was looking for

Posted By Rian in June, 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

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 bought a small ring green so I may practice my jewelry making.

Posted By HairyOtter in July, 2023

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Overall Rating -> 10

Very excited and impressed with all your products. Keep up the good work....more different stones to choose from. I like Cabachons.

Posted By Meow in June, 2023

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Overall Rating -> 10

Great selection and excellent website.

Posted By JBW in October, 2023

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Overall Rating -> 10

The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

Posted By T-bone in October, 2023

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Overall Rating -> 10

Easy to navigate

Posted By G Funk in December, 2023

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Overall Rating -> 10

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

Posted By GemGrammy in January, 2024

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Overall Rating -> 10

blessed be the lord blessed be the saved blessed be the work blessed be the traveled i write down my good times in these stones and when times are gray i can still se the sunny days refract in these stones

Posted By Kickbass.2 in May, 2023

Source: Bizrate

Overall Rating -> 10

Love Gem select. great gems for the price. Can't beet them

Posted By Apps in September, 2023

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Overall Rating -> 10

Everything fine.

Posted By Hilario in December, 2023

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Overall Rating -> 10

Best place to buy gem stones, dont bother shopping else where. Prices are great, no issues with shipping and customer service is the best.

Posted By J in December, 2023

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Gemstones A-Z

Buy Round Shape 15 mm Gems

1.96 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5 x 3.1 mm

7.12 carat Yellow Citrine, Briolette loose Citrine from Brazil, Natural Untreated Gem, 15.4 mm

5.66 ct Pink Moonstone, 9.6 x 9.5 mm Carved From India

0.66 ct Marquise Checkerboard Peridot, 8.2 x 4.1 mm From China

3.92 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.8 mm

3.79 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 7 mm

0.36 ct Orange Sphalerite, 4.1 mm Round Cut From Spain

0.76 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.1 x 5.1 mm

3.03 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 9 x 8.9 mm

11.82 carat Black Tourmaline, Oval loose Tourmaline from Tanzania, Natural Untreated Gems, 12.1 x 10.2 mm

9.07 ct Round Cut Smoky Quartz, 14 mm From Brazil

1.8 ct Trillion Pietersite, 10 x 9.2 mm From Namibia

1.62 carat Orange Zircon, Emerald Cut loose Zircon from Tanzania, Natural Untreated Gem, 7.2 x 5 mm

1.34 ct Yellow Beryl, 9.1 x 6.8 mm Oval Cut From Madagascar

6.24 ct White Moonstone, 9.1 mm Round Cut From India

2.33 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.7 x 7.3 mm

4.38 carat Green Sapphire, Oval loose Sapphire from Tanzania, Natural Gems, 5.7 x 4.7 mm

1.42 ct Purple Spinel, 6.6 x 5.9 mm Cushion Cut From Tanzania

2.83 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 8.9 x 6.3 mm

13.45 carat Round Labradorite, loose Certified Labradorite from Madagascar, Natural Untreated Gem, 14.8 mm

3.51 ct Round Checkerboard Smoky Quartz, 8 mm From Brazil

2.68 ct Yellow Sphene, 8.4 x 7.2 mm Oval Cut From Sri Lanka

35.1 ct Fancy Jasper, 35.5 x 24.1 mm From Indonesia

2.83 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 9.8 x 7.9 mm

14.16 ct Oval Cut Strawberry Quartz, 18.2 x 13.2 mm From Russia

1.03 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 5.8 x 5.8 mm

1.36 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 20.6 x 2.8 mm

0.39 ct Blue Apatite, 3.5 mm Round Cut From Madagascar

23.12 ct Rainbow Pyrite, 23.3 x 22.1 mm From Russia

1.62 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.7 mm

15.15 carat Gray Pearl, Ball loose Pearl from South Sea, Natural Gem, 12.9 mm

4.43 ct Green Sphene, 11 x 8 mm Oval Cut From Sri Lanka

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