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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

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
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Pink Round Ruby
Purple Round Ruby
Red Round Ruby
Turquoise
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Yellow
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0.40ct Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 172.56

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2.11ct Red Ruby, Round, VS-SI

7.5 mm (calibrated)

$ 227.88

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0.16ct Red Ruby, Round, VS

3.3 mm

$ 63.58

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0.20ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 79.46

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0.30ct Red Ruby, Round, SI

3.8 mm

$ 119.20

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0.22ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 87.41

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0.19ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 75.49

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0.82ct Pink Ruby, Round, VS-SI

5 mm (calibrated)

$ 88.56

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0.76ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 280.90

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0.20ct Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 79.46

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0.95ct Pink Ruby, Round, VS

5.5 mm (calibrated)

$ 102.60

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0.29ct Red Ruby, Round, VS-SI

3.8 mm

$ 137.17

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0.18ct Red Ruby, Round, SI

3.5 mm (calibrated)

$ 71.52

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0.21ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 83.44

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0.34ct Red Ruby, Round, VS

4 mm (calibrated)

$ 160.82

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0.30ct Red Ruby, Round, VS

3.8 mm

$ 584.45

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0.29ct Red Ruby, Round, VS-SI

3.8 mm

$ 137.17

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3.12ctw Red Rubies, Round, VS

6.5 mm (calibrated)

$ 336.96

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0.30ct Red Ruby, Round, SI

3.8 mm

$ 119.20

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1.03ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 426.50

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1.48ct Red Ruby, Round, VS-SI

6.5 mm (calibrated)

$ 159.84

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0.31ct Red Ruby, Round, SI

4 mm (calibrated)

$ 133.74

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0.21ct Red Ruby, Round, SI

3.5 mm (calibrated)

$ 83.44

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0.18ct Red Ruby, Round, VS

3.5 mm (calibrated)

$ 71.52

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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

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate
Enlarged Gemstone Image