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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
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Black
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Pink Round Ruby
Purple Round Ruby
Red Round Ruby
Turquoise
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0.19ct Medium Dark-Red Ruby, Round, VS

3.5 mm (calibrated)

$ 75.49

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0.37ct Wine Red Ruby, Round, SI

3.7 mm

$ 124.32

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0.17ct Medium Red Ruby, Round, VS-SI

3.5 mm (calibrated)

$ 56.29

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0.32ct Light Red Ruby, Round, SI-I1

3.8 mm

$ 127.15

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0.34ct Deep Red Ruby, Round, SI

4 mm (calibrated)

$ 112.20

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0.23ct Dark Red Ruby, Round, SI-I1

3.7 mm

$ 91.39

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1.99ct Deep Red Ruby, Round, VS-SI

7 mm (calibrated)

$ 214.92

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1.34ct Pinkish Red Ruby, Round, VS

6 mm (calibrated)

$ 144.72

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0.33ct Dark Red Ruby, Round, VS-SI

4 mm (calibrated)

$ 156.10

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1.04ct Medium Red Ruby, Round, SI

5.5 mm (calibrated)

$ 430.66

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0.44ctw Deep Red Rubies, Round, VS-SI

4 mm (calibrated)

$ 147.84

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0.16ct Deep Wine Red Ruby, Round, VS

3.3 mm

$ 63.58

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0.81ct Dark Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 335.41

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0.36ct Deep Red Ruby, Round, VS

4 mm (calibrated)

$ 143.04

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0.19ct Pinkish Red Ruby, Round, VS

3.5 mm (calibrated)

$ 75.49

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0.82ct Medium Pink Ruby, Round, VS-SI

5 mm (calibrated)

$ 88.56

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0.16ct Pinkish Red Ruby, Round, VS

3.3 mm

$ 52.98

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0.31ct Pinkish Red Ruby, Round, SI-I1

3.7 mm

$ 123.17

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0.28ct Light Red Ruby, Round, SI-I1

3.8 mm

$ 111.25

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0.71ct Reddish Pink Ruby, Round, VS-SI

5.3 mm

$ 262.42

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0.33ct Deep Wine Red Ruby, Round, SI

4 mm (calibrated)

$ 142.37

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3.37ct Deep Crimson Ruby, Round, VS

8 mm (calibrated)

$ 363.96

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1.44ct Medium Red Ruby, Round, VS

6.5 mm (calibrated)

$ 155.52

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2.15ct Jam Red Ruby, Round, VS-SI

7 mm (calibrated)

$ 232.20

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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

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate
Enlarged Gemstone Image