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!

Read All

Gemstone Information

Find More Content Here

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10

Selection ability was straightforward and easy.

Posted By Dave in May, 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

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

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

Found what I was looking for

Posted By Rian in June, 2023

Source: Bizrate

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

Great Job today! No issues!

Posted By Samlovesgems777 in August, 2023

Source: Bizrate

Overall Rating -> 9

Easy to use. Limited supply of higher quality gemstones.

Posted By Newfguy in February, 2024

Source: Bizrate

Overall Rating -> 10

Hello: You do have good website. Vast majority of folks would buy the Gems for its spiritual, physical / energy level, emotional level positive aspects. You have only very brief mention of this aspect of each Gem ..may be you can add little bit more about ways to leverage the beneificial effect of each gems i.e. some practical tips.ThanksRupen Patel

Posted By EarthDeep in February, 2024

Source: Bizrate

Overall Rating -> 10

all good

Posted By John in December, 2023

Source: Bizrate

Overall Rating -> 10

Easy to use as always and in all steps from opening site to paying.

Posted By Pete in February, 2024

Source: Bizrate

Overall Rating -> 10

The website was very easy to navigate. We appreciated the details about each gem, and the sort and search features of the website were helpful and easy to use.

Posted By AV in May, 2023

Source: Bizrate

Overall Rating -> 10

Had a problem ordering first time. Someone from Gem Select reached out to me and cleared problem and I made purchase.

Posted By Myrtle in February, 2024

Source: Bizrate

Overall Rating -> 10

It was easy to navigate and I hope that the gem is as nice as the picture

Posted By 1 in April, 2024

Source: Bizrate

Overall Rating -> 7

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

Posted By Steve in November, 2023

Source: Bizrate

Gemstones A-Z

Buy Round Shape 15 mm Gems

2.16 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.8 x 4.8 mm

1.36 ct Round Tiger's Eye, 6.8 mm From Thailand

5.08 ct Loose Oval Malachite, 13.5 x 9.9 mm From Congo

1.76 ct Yellow Cat's Eye Apatite, 7.5 x 6 mm Oval Cut From Kenya

3.98 ct Round Checkerboard Smoky Quartz, 8.1 mm From Brazil

2.72 ct Round Cut Peridot, 4.6 mm From China

2.73 carat Sky Blue Topaz, Emerald Cut loose Topaz from Brazil, Natural Gem, 8.2 x 8.1 mm

0.48 ct Loose Orange Sapphire, 5.8 x 4.2 mm Oval Cut From Tanzania

2.31 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gem, 7.1 mm

1.27 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4 x 3.3 mm

1.27 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 6.3 x 5.6 mm

0.81 carat Blue Kyanite, Pear Shape loose Kyanite from Nepal, Natural Untreated Gem, 7 x 4.7 mm

4.7 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 5.9 mm

6.82 ct Oval Quartz Cat's Eye, 10.7 x 10.2 mm From Sri Lanka

1.6 ct Loose Yellow Sapphire, 3.5 x 3.4 mm Princess Cut From Tanzania

2.66 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 9.9 mm

4.15 ct Loose Oval Star Ruby, 9.7 x 8.8 mm From Madagascar

35.01 carat Blue Aquamarine, Oval loose Aquamarine from Madagascar, Natural Untreated Gem, 24.5 x 17.5 mm

2.81 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm

4.03 ct Trillion Fire Agate, 12.5 x 10.9 mm From Mexico

2.76 ct Oval Prehnite, 7.4 x 6 mm From South Africa

26.52 ct Oval Obsidian, 30 x 20.9 mm From Mexico

0.8 carat Diamond Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 3.2 mm

7.56 ct Round Quartz Cat's Eye, 12.1 mm From India

0.46 ct Loose Orange Sapphire, 4.8 x 3.9 mm Octagon Cut From Tanzania

6.63 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.9 x 12.2 mm

1.93 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 7.3 x 7 mm

40.52 ct Oval Maw-Sit-Sit, 25.6 x 17 mm From Myanmar

0.19 ct White Diamond, 2.8 mm Diamond Cut From Brazil

0.56 ct Octagon Cut Peridot, 6 x 4 mm From China

0.17 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.5 mm

2.16 ct Round Labradorite, 8.1 mm From Madagascar

Gemstone Information

Gemstone SHOP

POLICIES

WHO ARE WE?

Gemstone EDUCATION

WE ARE LOCATED AT