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 Blood Red Ruby, Marquise, VS-SI
9 x 4.7 mm
$ 836.01
1.09ct Pinkish Red Ruby, Oval, SI
7 x 5 mm (calibrated)
$ 803.35
1.05ct Medium-Dark Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 902.43
1.01ct Medium-Dark Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 868.04
1.05ct Deep Crimson Ruby, Emerald Cut, VS
6 x 4.3 mm
$ 113.40
1.02ct Dark Red Ruby, Oval, SI
7 x 5 mm (calibrated)
$ 902.11
1.04ct Deep Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 919.80
1.08ct Deep Reddish Pink Ruby, Emerald Cut, VS
7 x 4.7 mm
$ 116.64
1.06ct Wine Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 1,093.22
1.09ct Hot Pink Ruby, Emerald Cut, VS-SI
8.4 x 4.5 mm
$ 196.20
1.00ct Light Red Ruby, Emerald Cut, VS
6.1 x 4.2 mm
$ 108.00
1.08ct Medium Dark-Red Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 129.60
1.08ct Pinkish Red Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 90.72
1.02ct Medium Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 110.16
1.08ct Jam Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 955.18
1.06ct Blood Red Ruby, Oval, SI
7 x 5 mm (calibrated)
$ 937.49
1.01ct Pinkish Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 109.08
1.03ct Deep Reddish Pink Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 111.24
1.02ct Medium Dark-Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 110.16
2.05ctw Deep Crimson Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 172.20
2.03ctw Deep Crimson Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 170.52
1.01ct Jam Red Ruby, Round, VS
5.5 mm (calibrated)
$ 109.08
1.08ct Deep Crimson Ruby, Round, VS-SI
6 mm (calibrated)
$ 116.64
1.01ct Light Red Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 84.84
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 
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Overall Rating -> 10
All good
Overall Rating -> 9 
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Overall Rating -> 10
I love the products. I've bought them as gifts and people love my gifts
Overall Rating -> 10
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.
