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

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

Posted By HairyOtter in July, 2023

Source: Bizrate

Overall Rating -> 10

Pleasant.

Posted By Mk in November, 2023

Source: Bizrate

Overall Rating -> 10

Love gemselect

Posted By Joshua Howard in March, 2024

Source: Bizrate

Overall Rating -> 10

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

Posted By Teemo in February, 2024

Source: Bizrate

Overall Rating -> 10

Always an easy experience using Gem select.

Posted By Jeff in November, 2023

Source: Bizrate

Overall Rating -> 10

Very easy. I have purchased a few times before and was satisfied each time. Thank you.

Posted By Ray in December, 2023

Source: Bizrate

Overall Rating -> 9

Overall good, shipping prices just seem a little on the high side.

Posted By Steve in August, 2023

Source: Bizrate

Overall Rating -> 10

GemSelect has the Best gems. Clear photos and detailed description helps me make the best choice. I have Never been disappointed by thier quality items.

Posted By Rock Hound in July, 2023

Source: Bizrate

Overall Rating -> 10

Selection and purchasing online was very easy

Posted By Aggy in January, 2024

Source: Bizrate

Overall Rating -> 10

The site was easy to shop and the payment was secure. I’m looking forward to receiving my order!

Posted By JAB93 in June, 2023

Source: Bizrate

Overall Rating -> 10

all good

Posted By John in December, 2023

Source: Bizrate

Overall Rating -> 10

I love GemSelect, photos and details are great.

Posted By #1 in February, 2024

Source: Bizrate

Overall Rating -> 10

I have used Gem Select many times over the past 10 years and have always been happy with the product & services

Posted By Ordain in August, 2023

Source: Bizrate

Overall Rating -> 10

it was good

Posted By Bobk in January, 2024

Source: Bizrate

Overall Rating -> 10

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

Posted By Orphanboy in December, 2023

Source: Bizrate

Gemstones A-Z

Buy Round Shape 15 mm Gems

1.12 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.3 x 5.2 mm

3.94 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gems, 8.2 x 6.1 mm

0.36 carat Green Sapphire, Round loose Sapphire from Tanzania, Natural Gem, 4 mm

17.64 ct Oval Pietersite, 22.8 x 16.1 mm From Namibia

3.49 carat Pink Topaz, Round loose Topaz from Brazil, Natural Gem, 9.1 mm

0.33 carat Pink Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 6.2 x 4.1 mm

0.52 ct Loose Orange Sapphire, 5.8 x 4.1 mm Oval Cut From Tanzania

1.21 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 7.2 x 7.1 mm

4.34 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 9.8 x 8 mm

28.71 ct Trillion Jasper, 32.3 x 25.3 mm From Indonesia

0.14 ct Square Cut Iolite, 3.1 x 3 mm From Madagascar

5.53 ct Brown Moonstone, 10.4 x 10.1 mm Carved From India

6.58 carat Green Tourmaline, Cushion loose Tourmaline from Mozambique, Natural Untreated Gem, 10.4 x 10.1 mm

0.07 ct Blue Diamond, 2.5 mm Diamond Cut From India

1.01 carat Marquise Cut Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 12.2 x 6 mm

33.14 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 33.4 x 24.9 mm

1.17 ct Yellow Sillimanite, 8 x 6.1 mm Oval Cut From Sri Lanka

0.48 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 4.1 mm

0.34 ct Black Diamond, 3.3 x 3.2 mm Princess Cut From India

3.18 carat Swiss Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 9.1 x 8.9 mm

2.11 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 5.8 mm

5.87 ct Oval Cut Strawberry Quartz, 14.1 x 10.1 mm From Russia

0.7 ct Cushion Cut Color-Change Diaspore, 5.2 x 5.1 mm From Turkey

0.91 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 5.2 mm

0.46 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.9 x 4 mm

1.35 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 6.7 x 6.1 mm

20.92 ct Oval Boulder Opal, 25.5 x 14.9 mm From Australia

1.66 ct Blue Kyanite, 8.2 x 6.2 mm Oval Cut From Nepal

1.97 ct Yellow Quartz, 10.3 x 10.3 mm Carved From Brazil

6.99 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 13.9 x 9.7 mm

1.14 ct Cushion Cut Color-Change Diaspore, 9.6 x 4.2 mm From Turkey

19.05 carat Bi-color Ametrine, Pear Checkerboard loose Ametrine from Brazil, Natural Untreated Gem, 20.5 x 14.9 mm

Gemstone Information

Gemstone SHOP

POLICIES

WHO ARE WE?

Gemstone EDUCATION

WE ARE LOCATED AT