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Round Gemstones - Natural Round Cut Loose Gems

Explore our collection of natural round gemstones, perfect for classic and modern jewelry designs.

Round Shaped Gemstones Weight
Round Shaped Gemstones Size
Round Shaped Gemstones Clarity
Round Shaped Gemstones Price
Round Shaped Gemstones Treatment

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Black Round Shaped Gemstones
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Golden Round Shaped Gemstones
Gray Round Shaped Gemstones
Green Round Shaped Gemstones
Multicolor Round Shaped Gemstones
Orange Round Shaped Gemstones
Pink Round Shaped Gemstones
Purple Round Shaped Gemstones
Red Round Shaped Gemstones
Turquoise Round Shaped Gemstones
Violet Round Shaped Gemstones
White Round Shaped Gemstones
Yellow Round Shaped Gemstones
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0.09ct Black Diamond, Round, Opaque

2.7 mm (calibrated)

$ 37.12

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3.81ctw Warm Brown Smoky Quartz, Round, VS

8 mm (calibrated)

$ 10.06

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1.30ctw Baby Blue Kyanite, Round, SI

5 mm (calibrated)

$ 39.00

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4.55ct Multicolor Agate, Round, Opaque

10 mm (calibrated)

$ 5.18

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1.04ctw Yellowish Green Sapphire, Round, VS

4 mm (calibrated)

$ 137.28

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2.15ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 40.92

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1.82ct Medium Orange Zircon, Round, VVS

7 mm (calibrated)

$ 48.05

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0.07ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 40.81

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0.25ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 143.29

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3.32ctw Warm Brown Smoky Quartz, Round, VS

8 mm (calibrated)

$ 8.76

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2.18ctw Multicolor Labradorite, Round, Translucent

6 mm (calibrated)

$ 3.14

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0.78ct Deep Blue Kyanite, Round, VS

5 mm (calibrated)

$ 18.72

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14.33ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 53.72

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19.78ct Multicolor Labradorite, Round, Opaque

19 mm (calibrated)

$ 21.36

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3.40ct Multicolor Mystic Quartz, Round, VVS

10 mm (calibrated)

$ 24.48

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11.66ct Multicolor Cinnabar, Round, Opaque

19 mm (calibrated)

$ 16.44

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0.33ct White Sapphire, Round, VS

4.4 mm

$ 52.44

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7.83ct Medium Brown Smoky Quartz, Round, VVS-VS

13 mm (calibrated)

$ 15.52

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1.18ctw Dark Blue Kyanite, Round, SI

5 mm (calibrated)

$ 39.34

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34.68ct Multicolor Agate, Round, Opaque

20 mm (calibrated)

$ 39.54

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1.95ct Honey Yellow Citrine, Round, VVS

8 mm (calibrated)

$ 16.38

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10.02ct Pale Pine Green Maw-Sit-Sit, Round, Opaque

12 mm (calibrated)

$ 28.16

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0.37ctw Deep Baby Blue Apatite, Round, VS

3.5 mm (calibrated)

$ 9.52

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2.28ctw Deep Rose Pink Strawberry Quartz, Round, Transparent

7 mm (calibrated)

$ 24.07

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Why Buy Round Shaped Gemstones from GemSelect?

Natural Round Gemstones

Our natural round gemstones are carefully selected for quality, brilliance, and color. The round shape is one of the most popular gemstone cuts, known for maximizing sparkle and symmetry in jewelry designs.

Shop Round Cut Gemstones Online

Browse a wide range of round cut gemstones at GemSelect, including sapphire, garnet, amethyst, citrine, and many other natural gems. Each stone is photographed individually so you can choose the perfect loose gemstone for your project.

Round Cut Loose Gemstones for Jewelry

Why Choose Round Shaped Gemstones?

Round shaped gemstones are prized for their balanced proportions and exceptional brilliance. The symmetrical design allows light to reflect evenly across the surface, creating impressive sparkle that works beautifully in rings, earrings, pendants, and bracelets.

Round Gemstones for Jewelry Settings

Round gemstones are ideal for a wide variety of jewelry settings. Their classic shape fits easily into standard mountings and works well in solitaire rings, halo designs, cluster settings, and matching earring pairs.

Calibrated Round Gemstones

Many round gemstones are available in calibrated sizes such as 4 mm, 5 mm, 6 mm, and larger. These precise measurements make them easy to set into pre-made jewelry mountings used by jewelers and designers.

Faceted Round Cut Gems

Faceted round cut gems are designed to maximize brilliance. Precision faceting enhances the natural beauty of gemstones by allowing light to enter and reflect from multiple angles, producing vibrant sparkle and color.

Round Cabochon Gemstones

Round cabochon gemstones feature a smooth, domed surface rather than facets. These stones highlight unique gem characteristics such as star effects, chatoyancy, and rich color saturation, making them ideal for distinctive jewelry designs.

Loose Round Gemstones for Collectors

Loose round gemstones are popular not only for jewelry but also for collectors. Their balanced proportions and brilliant appearance make them attractive additions to gemstone collections and displays.

Learn more about gemstone shapes, cuts, and properties on our Gemstone Cut Information Guide.

FAQs

What are round gemstones?

Round gemstones are gems cut into a circular shape, often with faceting designed to maximize brilliance. They are one of the most popular gemstone shapes used in jewelry.

Why are round cut gemstones so popular?

Round cut gemstones offer excellent sparkle, balanced proportions, and versatility. Their symmetrical shape allows light to reflect evenly, creating strong brilliance.

What gemstones are available in round shapes?

Many gemstones are available in round shapes, including sapphire, ruby, garnet, amethyst, topaz, spinel, tourmaline, peridot, and many others.

Are round gemstones good for engagement rings?

Yes, round gemstones are one of the most popular choices for engagement rings because they provide maximum brilliance and a timeless appearance.

What sizes do round gemstones come in?

Round gemstones are available in many sizes, from small calibrated stones such as 2 mm and 3 mm up to larger collector gems and center stones.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
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