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Home Gemstones Gemstones By Shape Round Ruby

Natural Round Ruby Gemstones

Discover natural loose round ruby gemstones perfect for rings, earrings, and custom jewelry designs.

Round Ruby Weight
Round Ruby Size
Round Ruby Clarity
Round Ruby Price
Round Ruby Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
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Gray
Green
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Pink Round Ruby
Purple Round Ruby
Red Round Ruby
Turquoise
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0.80ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 285.59

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0.29ct Red Ruby, Round, SI-I1

3.7 mm

$ 95.63

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1.50ctw Red Rubies, Round, VS-SI

3.5 mm (calibrated)

$ 197.21

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2.62ct Red Ruby, Round, VS-SI

7.5 mm (calibrated)

$ 234.86

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0.83ct Red Ruby, Round, VS

5 mm (calibrated)

$ 62.00

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2.85ct Red Ruby, Round, VS-SI

8 mm (calibrated)

$ 255.47

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0.14ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 46.17

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0.73ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 461.09

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0.17ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 56.07

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2.38ctw Red Rubies, Round, VS

6 mm (calibrated)

$ 177.79

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1.01ct Red Ruby, Round, VS

5.3 mm

$ 90.54

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0.76ct Red Ruby, Round, VS-SI

5.3 mm

$ 246.65

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0.30ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 89.52

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0.18ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 59.36

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0.30ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 107.42

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1.74ct Red Ruby, Round, VS-SI

7 mm (calibrated)

$ 155.97

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1.10ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 378.98

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0.17ct Red Ruby, Round, VS

3.3 mm

$ 56.07

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0.22ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 72.55

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0.20ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 65.95

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2.33ct Red Ruby, Round, VS-SI

7 mm (calibrated)

$ 208.86

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0.30ct Red Ruby, Round, SI

3.8 mm

$ 98.94

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0.29ct Red Ruby, Round, SI-I1

3.7 mm

$ 95.63

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8.29ct Red Ruby, Round, VS

11 mm (calibrated)

$ 412.84

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Why Buy Round Ruby from GemSelect?

Natural Round Ruby Stones

Our natural round ruby stones are carefully selected for their rich red color, brilliance, and durability, making them ideal for fine jewelry and custom designs.

Shop Round Ruby Gemstones Online

Buy round ruby gemstones online at GemSelect with confidence. Browse loose stones in many sizes, enjoy secure checkout, and benefit from worldwide shipping.

Loose Round Ruby Gemstones for Jewelry

Round Cut Ruby for Jewelry

Round cut ruby gemstones are popular for rings, earrings, and pendants thanks to their balanced shape and strong sparkle. The classic round style suits both modern and traditional jewelry.

Loose Round Rubies for Custom Designs

Loose round rubies give jewelers and collectors flexibility when creating unique pieces. Choose from a wide range of sizes, carat weights, and shades of red.

Calibrated Round Ruby Sizes

Calibrated round ruby stones are available in precise dimensions, ideal for standard jewelry settings and matching designs that require consistent measurements.

Faceted Round Ruby Gemstones

Faceted round ruby gemstones maximize brilliance and color return, making them a preferred choice for elegant jewelry that highlights the ruby’s natural beauty.

Wholesale Round Ruby Options

We offer round ruby gemstones suitable for wholesale purchasing, helping jewelers and designers source matching stones and bulk quantities at competitive prices.

July Birthstone Ruby

Ruby is the birthstone for July and symbolizes passion, vitality, and love, making round ruby gemstones a meaningful gift choice for special occasions.

Learn more about the history, properties, and meaning of ruby on our Ruby Information Page.

FAQs

Why choose round ruby gemstones?

Round rubies are highly popular because their symmetrical shape provides excellent brilliance and works well in nearly all jewelry styles, especially rings and earrings.

Are your round ruby gemstones natural?

Yes, all round ruby gemstones sold by GemSelect are natural. Any treatments are fully disclosed to ensure transparency and buyer confidence.

What jewelry is best for round cut ruby stones?

Round cut rubies are ideal for engagement rings, stud earrings, pendants, and halo settings because their shape delivers consistent sparkle from every angle.

Do you offer calibrated round ruby sizes?

Yes, we offer calibrated round ruby gemstones in standard sizes suitable for commercial jewelry settings and matching pairs.

Can I buy loose round rubies for custom jewelry?

Absolutely. Loose round rubies allow jewelers and collectors to select the perfect stone for custom-made jewelry projects and personalized designs.

GemSelect Certified Store Reviews

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

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate
Enlarged Gemstone Image