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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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
Golden
Gray
Green
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Orange
Pink Round Ruby
Purple Round Ruby
Red Round Ruby
Turquoise
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0.98ct Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 619.00

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0.76ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 246.65

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0.15ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 49.47

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0.88ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 314.15

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0.97ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 297.56

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0.20ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 65.95

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1.36ct Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 121.91

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0.24ct Red Ruby, Round, SI-I1

3.7 mm

$ 79.15

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0.30ct Red Ruby, Round, SI

4 mm (calibrated)

$ 98.60

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12.44ct Red Ruby, Round, VS-SI

14 mm (calibrated)

$ 1,115.12

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0.30ct Red Ruby, Round, SI

3.7 mm

$ 98.94

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0.30ct Red Ruby, Round, SI-I1

3.8 mm

$ 98.94

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0.18ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 59.36

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0.96ct Red Ruby, Round, VS

5.2 mm

$ 86.05

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1.57ct Red Ruby, Round, VS-SI

6.5 mm (calibrated)

$ 140.73

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6.04ct Red Ruby, Round, VS-SI

11 mm (calibrated)

$ 541.43

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0.31ct Red Ruby, Round, SI

4 mm (calibrated)

$ 111.00

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1.36ct Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 121.91

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5.93ct Red Ruby, Round, VS-SI

10 mm (calibrated)

$ 531.57

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0.31ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 111.00

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6.24ct Red Ruby, Round, VS

11 mm (calibrated)

$ 310.75

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0.80ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 505.30

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0.99ct Red Ruby, Round, VS

5.7 mm

$ 73.95

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0.38ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 136.06

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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 was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux 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

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate
Enlarged Gemstone Image