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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I feel pretty good so far, pending the delivery of the item ordered.

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Wonderful selection of gems to choose from. Have made many purchases and was only slightly disappointed once.

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Gemstones A-Z

Buy Round Shape 15 mm Gems

1.21 ct Blue Kyanite, 6.1 x 5.1 mm Oval Cut From Nepal

0.52 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 6.7 x 5.2 mm

5.1 ct Brown Moonstone, 7.7 x 7.5 mm Carved From India

3.9 carat Carved Cameo Mother of Pearl, loose Certified Mother of Pearl from China, Natural Untreated Gem, 20 x 13.2 mm

13.48 carat Swiss Blue Topaz, Carved Fruit loose Topaz from Brazil, Natural Gem, 19.8 x 11.2 mm

13.99 carat Red Spessartite Garnet, Emerald Cut loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 20.6 x 8.3 mm

4.59 carat Yellow Citrine, loose Citrine from Brazil, Natural Untreated Gem, 12.7 x 9.5 mm

0.37 ct Loose Yellow Sapphire, 3.9 x 3.8 mm Princess Cut From Tanzania

0.91 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 5.9 x 4 mm

3.08 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 5.1 x 3.2 mm

9.09 ct Oval Checkerboard Prehnite, 15.9 x 11.9 mm From South Africa

5.31 ct Pink Morganite, 11.4 x 11.1 mm Trillion Cut From Afghanistan

1.27 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.4 x 6.3 mm

5.25 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10.1 x 8 mm

2.78 ct Loose Princess Cut Sapphire, 2.7 x 2.6 mm From Tanzania

6.26 ct Loose Round Agate, 11.1 mm From Indonesia

0.85 ct Loose Pink Sapphire, 5.8 x 4 mm Oval Cut From Madagascar

1.58 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.9 x 6.7 mm

13.45 ct Oval Concave Cut Smoky Quartz, 14.1 x 12.1 mm From Brazil

36.5 carat Pear Shape Rose Quartz, loose Certified Rose Quartz from South Africa, Natural Untreated Gem, 25 x 20.9 mm

1.06 ct Oval Peridot, 6.1 x 4.2 mm From China

8.36 carat White Topaz, Square loose Topaz from Brazil, Natural Untreated Gems, 5.1 x 5 mm

6.26 ct Loose Round Pietersite, 13.9 mm From Namibia

5.69 carat Swiss Blue Topaz, Round loose Topaz from Brazil, Natural Gems, 9.1 mm

16.49 ct Yellow Quartz, 18.7 x 15.7 mm Carved From Brazil

2.08 carat Yellow Citrine, Marquise Cut loose Citrine from Brazil, Natural Untreated Gems, 9.2 x 5 mm

1.41 carat Yellow Citrine, Flower loose Citrine from Madagascar, Natural Untreated Gem, 7.3 x 7.1 mm

9.33 ct Loose Round Agate, 12.3 mm From Indonesia

4.09 ct Pink Morganite, 13 x 9.6 mm Carved From Afghanistan

1.03 ct Round Onyx, 6.3 mm From Sri Lanka

23.59 ct Oval Quartz With Marcasite, 26 x 16.4 mm From Brazil

10.38 ct Oval Agate, 15.1 x 12.7 mm From Indonesia

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