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Natural 1 Carat Ruby Gemstones

Discover premium 1 carat ruby gemstones in rich red colors, perfect for fine jewelry and investment pieces.

1 ct Ruby Weight
1 ct Ruby Size
1 ct Ruby Clarity
1 ct Ruby Price
1 ct Ruby Treatment

Size Explained

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1.09ct Light Red Ruby, Oval, VS

7.1 x 5.3 mm

$ 130.80

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1.06ct Deep Red Ruby, Marquise, VS-SI

8.7 x 4.5 mm

$ 1,093.22

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1.07ct Jam Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 988.68

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1.02ct Light Red Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 85.68

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1.08ct Light Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 116.64

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1.06ct Hot Pink Ruby, Round, VS

5.7 mm

$ 114.48

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Why Buy 1 Ct Ruby from GemSelect?

Natural 1 Carat Ruby Stones

Our natural 1 carat ruby gemstones are carefully selected for color, clarity and cut. Each stone is 100% genuine, with any treatments fully disclosed for complete transparency and buyer confidence.

Why Choose a 1 Carat Ruby?

A 1 carat ruby offers an ideal balance between presence and wearability. It is large enough to create a striking focal point in rings or pendants, while remaining practical for everyday jewelry.

1 Carat Ruby Gemstones for Fine Jewelry

1 Carat Ruby for Engagement Rings

A 1 carat ruby is a popular choice for engagement rings thanks to its durability (Mohs 9) and intense red color. Rubies symbolize love and passion, making them a meaningful alternative to traditional diamonds.

Red Ruby Color & Quality

The value of a 1 carat ruby depends primarily on color. Highly saturated red hues with good clarity are the most desirable. We offer rubies in various shades, from deep crimson to vibrant red.

Faceted and Cabochon Options

Choose from faceted 1 carat rubies for maximum brilliance or cabochon stones for a smooth, classic appearance. Available shapes include round, oval, cushion and pear.

Certified Loose 1 Carat Rubies

All our loose 1 carat ruby gemstones are inspected and verified for authenticity. Optional gemological reports are available for buyers seeking additional assurance.

Worldwide Shipping & Secure Checkout

Buy 1 carat ruby gemstones online with confidence. We offer secure checkout, competitive pricing and worldwide shipping to jewelers and collectors.

Learn more about origin, treatments and care on our Ruby Information Page.

FAQs

How big does a 1 carat ruby look?

A 1 carat ruby typically measures around 6 to 7 mm in diameter for a round cut, depending on proportions. Exact size varies by shape and cut style.

Is a 1 carat ruby suitable for daily wear?

Yes. With a hardness of 9 on the Mohs scale, ruby is highly durable and well suited for everyday rings and other jewelry.

Are 1 carat rubies treated?

Many rubies on the market are heat treated to improve color and clarity. Any treatments are always clearly disclosed for each individual gemstone.

What affects the price of a 1 carat ruby?

Price depends on color intensity, clarity, cut quality, origin and whether the ruby is untreated. Strong, vivid red stones typically command higher values.

Can I buy multiple 1 carat rubies for matching jewelry?

Yes, we regularly stock matching pairs and calibrated 1 carat ruby gemstones suitable for earrings and coordinated 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 could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate
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