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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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2.07ctw Jam Red Rubies, Pear Shape, VS

7 x 5 mm (calibrated)

$ 223.56

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1.07ct Medium Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 823.90

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1.00ct Bright Grape Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 414.08

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1.03ct Deep Red Ruby, Oval, VS-SI

7.1 x 5.2 mm

$ 910.96

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1.02ct Medium Red Ruby, Oval, VS-SI

6.7 x 5.2 mm

$ 942.48

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1.04ct Medium Dark-Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 975.08

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1.02ct Medium Dark-Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 785.40

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2.06ctw Deep Reddish Pink Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 247.20

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1.06ct Deep Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 438.92

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1.04ct Medium Red Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 124.80

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1.09ct Wine Red Ruby, Marquise, VS-SI

9.7 x 4.4 mm

$ 1,021.97

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1.04ct Medium Red Ruby, Pear Shape, VS-SI

7.2 x 5.5 mm

$ 960.96

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1.02ct Jam Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 110.16

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1.08ct Deep Reddish Pink Ruby, Emerald Cut, VS

6.6 x 4.8 mm

$ 116.64

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1.09ct Light Red Ruby, Oval, VS

6.7 x 4.9 mm

$ 130.80

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1.07ct Hot Pink Ruby, Emerald Cut, VS-SI

8.7 x 4 mm

$ 192.60

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1.03ct Deep Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 910.96

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1.02ct Deep Reddish Pink Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 110.16

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1.04ct Medium Red Ruby, Round, VS

5.5 mm (calibrated)

$ 112.32

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1.00ct Light Red Ruby, Oval, VS-SI

5.9 x 5.1 mm

$ 859.45

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1.06ct Jam Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 937.49

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1.09ct Medium Dark-Pink Ruby, Oval, VS-SI

7.8 x 5.7 mm

$ 196.20

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1.06ct Deep Crimson Ruby, Round, VS

6 mm (calibrated)

$ 114.48

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1.03ct Dark Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 910.96

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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 purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
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Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
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Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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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
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Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate
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