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 |
1.04ct Intense Pink Tourmaline, Emerald Cut, VS
6.7 x 5.2 mm
$ 90.60
2.14ctw Medium Orange Moonstone, Cushion, Opaque
6 x 6 mm (calibrated)
$ 5.65
1.00ct Light Navy Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 30.00
1.09ct Reddish Orange Hessonite Garnet, Baguette, VS
6.6 x 4.5 mm
$ 24.80
4.24ctw White Zircon, Round, VVS-VS
5.7 mm
$ 80.70
1.03ct Medium Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 951.72
1.05ct Multicolor Black Opal, Pear Shape, Translucent
10.9 x 6.2 mm
$ 31.81
1.08ct Medium Dark-Green Chrome Diopside, Marquise, VS
10 x 5 mm (calibrated)
$ 27.00
1.09ct Deep Blue Kyanite, Oval, SI
7 x 5.2 mm
$ 26.16
1.00ct Medium Dark-Orange Zircon, Oval, VS
5.9 x 4.8 mm
$ 30.00
1.07ct Medium-Dark Purple Sapphire, Pear Shape, VS-SI
7.1 x 6 mm
$ 618.89
4.29ctw Deep Blue Star Sapphire, Oval, Opaque
7 x 5 mm (calibrated)
$ 101.93
1.04ct Light Purple Spinel, Cushion, VS
6.8 x 5.9 mm
$ 92.24
2.09ctw Swiss Blue Topaz, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 16.55
1.03ct Deep Red Ruby, Round, VS-SI
5.5 mm (calibrated)
$ 426.50
1.00ct Medium Dark-Orange Hessonite Garnet, Cushion, VS
5.8 x 5.7 mm
$ 22.80
1.04ct Brownish Orange Zircon, Oval, VVS-VS
5.9 x 4.9 mm
$ 31.20
4.30ctw Light Caramel Brown Moonstone, Flower Cut, Translucent
7.7 x 7.4 mm
$ 22.70
1.07ct Deep Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 32.10
1.02ct Light Pink Morganite, Pear Shape, VS
9.3 x 5.5 mm
$ 134.64
1.06ct Medium Dark-Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 114.48
1.03ct Very Light Pink Morganite, Round, VVS-VS
7 mm (calibrated)
$ 48.20
1.04ct Reddish Pink Ruby, Oval, SI
7 x 5 mm (calibrated)
$ 919.80
1.08ct Deep Orange Pink Tourmaline, Emerald Cut, VVS-VS
7.6 x 4.5 mm
$ 94.09
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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 -> 10 
It was easy and to the point
Overall Rating -> 10
Excellent options
Overall Rating -> 8 
It was a good interaction I got a good gemstone for cheap
Overall Rating -> 9 
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Overall Rating -> 9
I think therea's no problem
Overall Rating -> 10
I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items
