1 Carat Gemstones
Browse our selection of natural 1 carat gemstones, ideal for elegant jewelry designs and collectors seeking perfectly balanced gem sizes.
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Bi-color
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Black 1 ct Gemstones
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Blue 1 ct Gemstones
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Brown 1 ct Gemstones
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Golden 1 ct Gemstones
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Gray 1 ct Gemstones
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Green 1 ct Gemstones
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Multicolor 1 ct Gemstones
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Orange 1 ct Gemstones
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Pink 1 ct Gemstones
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Purple 1 ct Gemstones
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Red 1 ct Gemstones
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Turquoise 1 ct Gemstones
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Violet 1 ct Gemstones
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White 1 ct Gemstones
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Yellow 1 ct Gemstones
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.08ct Dark Purple Spinel, Pear Shape, VVS-VS
7.5 x 6 mm
$ 89.10
1.07ct Medium Gold Citrine, Square, VVS
6 x 6 mm (calibrated)
$ 7.49
2.03ctw Sky Blue Topaz, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 13.43
1.03ct Black Onyx, Round, Opaque
6.5 mm (calibrated)
$ 2.47
1.07ct Fern Green Emerald, Oval, Translucent
6.8 x 5.5 mm
$ 89.88
1.04ct Deep Blue Kyanite, Oval, VS-SI
7 x 5 mm (calibrated)
$ 27.46
1.06ct Medium Light Purplish-Violet Amethyst, Marquise, VS
10 x 5 mm (calibrated)
$ 8.48
2.09ctw Very Light Green Prehnite, Oval, Transparent
7.4 x 5.3 mm
$ 13.80
1.05ct Bright Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 31.50
1.99ctw Deep Blue Kyanite, Oval, SI
7.1 x 5.2 mm
$ 49.91
1.09ct Light Purple Spinel, Cushion, VVS-VS
6.4 x 5.5 mm
$ 88.93
1.08ct Pinkish Red Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 90.72
5.01ctw Pinkish Purple Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 128.35
1.08ct Light Lavender Pink Sapphire, Oval, VS
6.2 x 5.3 mm
$ 378.00
1.02ct Medium Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 110.16
1.00ct Seaweed Green Tourmaline, Emerald Cut, VVS-VS
13.5 x 3.5 mm
$ 39.60
1.00ct Lively Green Peridot, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 16.80
1.05ct Blue Cavansite, Fancy, Opaque
8.1 x 7.6 mm
$ 7.35
1.07ct Reddish Purple Sapphire, Pear Shape, VS
7.5 x 5 mm
$ 680.77
1.01ct Light Yellow Color-Change Diaspore, Emerald Cut, VVS
5.7 x 4.8 mm
$ 54.70
1.08ct Jam Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 955.18
2.01ctw Salmon Pink Morganite, Oval, VS
8 x 6 mm (calibrated)
$ 132.66
1.09ct Bright Blue Kyanite, Round, SI
6 mm (calibrated)
$ 57.00
1.09ct Deep Red Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 34.88
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Why Buy 1 Ct Gemstones 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 Gemstones
Our natural 1 carat gemstones are carefully selected for quality, color and brilliance. A one-carat gem offers the perfect balance between size and wearability, making it a popular choice for rings, pendants and earrings.
Loose 1 Carat Gemstones Online
Shop loose 1 carat gemstones online at GemSelect with confidence. Our inventory includes a wide range of natural gems such as sapphire, ruby, garnet, tourmaline and many others, all photographed individually for accurate selection.
Why Choose 1 Carat Gemstones?
One-carat gemstones are a classic choice for jewelry. They provide noticeable size without being overly large, making them perfect for engagement rings, pendants or everyday jewelry pieces.
1 ct Gemstones for Rings and Jewelry
Many jewelers prefer 1 ct gemstones because they fit well into common jewelry settings. From brilliant round cuts to elegant oval and cushion shapes, these gems offer versatility for custom jewelry design.
Wide Variety of 1 Carat Gem Types
At GemSelect you can find 1 carat stones in many gem varieties including sapphire, ruby, spinel, aquamarine, tourmaline, topaz and garnet. Each gemstone has unique colors and characteristics to suit different styles and budgets.
Faceted and Cabochon 1 Carat Gems
Our collection includes both faceted stones for maximum sparkle and smooth cabochon gemstones for a softer, classic appearance. This variety allows designers to choose the best style for their jewelry projects.
Calibrated 1 Carat Gemstones
Many of our 1 carat gemstones are available in calibrated sizes, making them easier to mount into standard jewelry settings. This helps jewelers and designers create precise and professional-looking pieces.
Certified and Natural Gemstones
All gemstones at GemSelect are natural stones, and any treatments are fully disclosed. We focus on transparency and accurate gem information so buyers can shop with confidence.
Learn more about gemstone properties and buying tips on our Gemstone Information Pages.
FAQs
What does 1 carat mean in gemstones?
A carat is a unit of weight used for gemstones. One carat equals 0.2 grams. The physical size of a 1 carat gemstone can vary depending on the gem type and its density.
Are 1 carat gemstones good for rings?
Yes, 1 carat gemstones are a popular size for rings because they provide noticeable presence while remaining comfortable for everyday wear.
Which gemstones are available in 1 carat size?
Many gemstones are available in 1 carat size, including sapphire, ruby, spinel, garnet, tourmaline, aquamarine, topaz and many others.
Does a 1 carat gemstone always have the same size?
No. Carat measures weight, not size. Different gemstones have different densities, so a 1 carat sapphire may appear slightly smaller or larger than a 1 carat aquamarine.
Are your 1 carat gemstones natural?
Yes, GemSelect specializes in natural gemstones. Any treatments are clearly disclosed so customers know exactly what they are purchasing.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 8 
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Overall Rating -> 10 
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Overall Rating -> 10
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Overall Rating -> 10
Excellent options
Overall Rating -> 10
the selection is good as are the prices
