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 |
1.08ct Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 828.27
1.06ct Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 95.02
1.00ct Red Ruby, Emerald Cut, VS
6.1 x 4.2 mm
$ 89.64
1.08ct Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 792.80
2.03ctw Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 141.53
2.05ctw Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 204.18
1.02ct Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 748.75
1.04ct Red Ruby, Round, VS
5.5 mm (calibrated)
$ 93.23
1.06ct Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 778.12
1.08ct Red Ruby, Emerald Cut, VS
6.1 x 4.2 mm
$ 96.81
2.06ctw Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 205.18
1.08ct Red Ruby, Emerald Cut, VS
6.6 x 4.8 mm
$ 96.81
1.04ct Red Ruby, Emerald Cut, VS
6.1 x 4.2 mm
$ 93.23
1.03ct Red Ruby, Emerald Cut, VS
6 x 4 mm (calibrated)
$ 92.33
1.06ct Red Ruby, Round, VS
6 mm (calibrated)
$ 79.18
1.06ct Red Ruby, Round, VS
6 mm (calibrated)
$ 95.02
1.02ct Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 91.43
1.07ct Red Ruby, Round, VS-SI
6 mm (calibrated)
$ 368.64
1.04ct Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 763.43
1.04ct Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 93.23
1.00ct Red Ruby, Round, VS
5.5 mm (calibrated)
$ 89.64
1.01ct Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 90.54
1.09ct Red Ruby, Round, VS-SI
6 mm (calibrated)
$ 97.71
1.08ct Red Ruby, Marquise, SI
9.5 x 4.6 mm
$ 660.66
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 
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 10
My experience was done with ease
Overall Rating -> 10
Easy and functional
Overall Rating -> 9 
Fast snd easy to find what I was looking for
Overall Rating -> 10
My whole experience is great.
Overall Rating -> 10
Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!
