Natural 1 Carat Ruby Gemstones
Discover premium 1 carat ruby gemstones in rich red colors, perfect for fine jewelry and investment pieces.
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Bi-color
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Black
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Blue
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Brown
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Golden
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Gray
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Green
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Multicolor
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Orange
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Pink 1 ct Ruby
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Purple 1 ct Ruby
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Red 1 ct Ruby
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Turquoise
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.07ct Medium Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 946.33
1.08ct Jam Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 955.18
1.03ct Medium Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 951.72
1.03ct Deep Red Ruby, Round, VS-SI
5.5 mm (calibrated)
$ 426.50
1.06ct Medium Dark-Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 114.48
1.04ct Reddish Pink Ruby, Oval, SI
7 x 5 mm (calibrated)
$ 919.80
1.04ct Medium Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 112.32
1.02ct Deep Red Ruby, Marquise, SI
8.8 x 5.1 mm
$ 902.11
1.07ct Jam Red Ruby, Round, VS-SI
6 mm (calibrated)
$ 444.14
2.15ctw Light Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 258.00
1.03ct Deep Magenta Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 111.24
1.04ct Dark Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 112.32
1.06ct Deep Crimson Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 114.48
1.04ct Medium Red Ruby, Emerald Cut, VS
6.1 x 4.2 mm
$ 112.32
1.04ct Medium Red Ruby, Round, SI
5.5 mm (calibrated)
$ 430.66
1.06ct Medium Red Ruby, Round, VS
6 mm (calibrated)
$ 95.40
2.12ctw Light Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 254.40
1.05ct Medium-Dark Red Ruby, Marquise, SI
9.2 x 4.4 mm
$ 928.64
1.09ct Medium Dark-Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 117.72
1.08ct Deep Red Ruby, Marquise, VS-SI
8.9 x 4.6 mm
$ 831.60
1.06ct Dark Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 114.48
1.03ct Light Red Ruby, Emerald Cut, VS
6 x 4 mm (calibrated)
$ 111.24
1.05ct Light Red Ruby, Oval, VS
6.6 x 5 mm
$ 126.00
1.01ct Pinkish Red Ruby, Round, VS
5.3 mm
$ 109.08
Why Buy 1 Ct Ruby from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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 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 
Good selection, using for custom jewlery for my wife.
Overall Rating -> 10
I was able to find what I wanted very easily!
Overall Rating -> 10
Excellent options
Overall Rating -> 10
Easy to use website
Overall Rating -> 10
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
Overall Rating -> 10
Very good
