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 |
1.09ct Multicolor Opal, Oval, Transparent
10 x 7 mm (calibrated)
$ 27.50
2.05ctw Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 142.93
1.03ct Green Tourmaline, Emerald Cut, VVS-VS
14.9 x 3.3 mm
$ 24.83
1.00ct Violet Spinel, Oval, VS
6.6 x 5.6 mm
$ 102.65
1.01ct Red Ruby, Marquise, SI
9.3 x 4.3 mm
$ 741.41
1.07ct Brown Color-Change Garnet, Oval, VVS-VS
7.4 x 5.2 mm
$ 85.47
2.15ctw Gray Sillimanite Cat'S Eye, Oval, Transparent
7 x 5 mm (calibrated)
$ 6.78
1.02ct Yellow Citrine, Marquise, VS
9.2 x 5 mm
$ 5.59
1.06ct Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 26.39
1.06ct Yellow Citrine, Square, VVS-VS
6 x 6 mm (calibrated)
$ 7.39
1.99ctw Red Pyrope Garnet, Marquise, VVS-VS
10 x 5.1 mm
$ 17.44
1.09ct White Rainbow Moonstone, Oval, Transparent
6.9 x 6 mm
$ 21.36
1.08ct Green Tourmaline, Emerald Cut, VVS
17.7 x 2.9 mm
$ 26.04
1.09ct Multicolor Opal, Oval, Transparent
9 x 7 mm (calibrated)
$ 47.77
1.02ct Pink Tourmaline, Round, Transparent
5.5 mm (calibrated)
$ 15.57
1.03ct Gray Cat'S Eye Alexandrite, Oval, Opaque
6.1 x 4.6 mm
$ 206.00
2.04ctw Yellow Golden Beryl, Oval, VVS-VS
8 x 6 mm (calibrated)
$ 55.88
1.04ct Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 93.23
1.07ct Green Tourmaline, Baguette, VS
10.1 x 3.5 mm
$ 37.30
1.09ct Multicolor Opal, Fancy, Translucent
7.9 x 6.9 mm
$ 30.39
2.12ctw White Zircon, Round, VS
6 mm (calibrated)
$ 33.50
1.01ct Green Peridot, Emerald Cut, VS
7 x 5 mm (calibrated)
$ 15.09
1.02ct Orange Zircon, Oval, VVS
5.9 x 4.9 mm
$ 15.24
1.02ct Yellow Morganite, Oval, VS
8 x 6 mm (calibrated)
$ 44.70
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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 
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
Overall Rating -> 10
good navigation and simple interface.
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Overall Rating -> 7 
easy interface for a pricless buy
Overall Rating -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Overall Rating -> 10
Excellent options
