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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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For Example: 6-7
For Example: 8-9
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1.02ct Dark Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 438.72

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1.06ct Jam Red Ruby, Round, VS

5.5 mm (calibrated)

$ 114.48

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1.03ct Deep Red Ruby, Oval, VS-SI

6.4 x 5.4 mm

$ 910.96

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1.04ct Deep Red Ruby, Oval, SI

7 x 5 mm (calibrated)

$ 919.80

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1.02ct Light Red Ruby, Round, VS

5.5 mm (calibrated)

$ 91.80

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1.00ct Light Red Ruby, Round, VS

5.5 mm (calibrated)

$ 108.00

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1.08ct Deep Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 955.18

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1.04ct Hot Pink Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 112.32

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1.09ct Reddish Pink Ruby, Round, VS-SI

6 mm (calibrated)

$ 117.72

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1.06ct Deep Crimson Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 937.49

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1.04ct Deep Crimson Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 112.32

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1.01ct Dark Pink Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 109.08

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1.03ct Medium Dark-Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 92.70

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1.08ct Reddish Pink Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 997.92

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2.16ctw Light Red Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 259.20

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1.08ct Deep Red Ruby, Marquise, VS-SI

9.6 x 4.6 mm

$ 997.92

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1.04ct Deep Crimson Ruby, Round, VS

5.5 mm (calibrated)

$ 93.60

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1.07ct Pinkish Red Ruby, Round, VS-SI

5.7 mm

$ 489.80

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1.04ct Light Red Ruby, Oval, VS

6.7 x 5 mm

$ 124.80

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1.05ct Medium Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 388.08

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1.09ct Deep Reddish Pink Ruby, Round, VS

5.8 mm

$ 117.72

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1.06ct Reddish Pink Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 781.24

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1.03ct Light Red Ruby, Marquise, SI

9.8 x 4.5 mm

$ 910.96

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1.06ct Jam Red Ruby, Oval, SI

7 x 5 mm (calibrated)

$ 937.49

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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 am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate
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