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 |
1.00ct Intense Navy Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 26.40
1.09ct Bright Orange Sunstone, Oval, Translucent
8 x 6 mm (calibrated)
$ 7.63
1.02ct Multicolor Opal, Oval, Transparent
9 x 7 mm (calibrated)
$ 56.54
1.08ct London Blue Topaz, Marquise, VS
10.1 x 5.1 mm
$ 9.07
1.02ct Dark Magenta-Pink Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 32.64
1.00ct Light Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 30.00
1.06ct Golden Citrine, Square, VVS-VS
6 x 6 mm (calibrated)
$ 8.90
1.02ct Warm Earthy Green Chrysoberyl, Pear Shape, VVS
7.6 x 5.6 mm
$ 143.22
1.00ct Reddish Orange Hessonite Garnet, Square, VS-SI
5.2 x 5.1 mm
$ 17.92
1.04ct Medium Dark-Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 975.08
3.98ctw Sky Blue Topaz, Fancy, VS
7 x 5 mm (calibrated)
$ 26.27
1.99ctw Sky Blue Topaz, Fancy, VS
7 x 5 mm (calibrated)
$ 13.14
1.02ct Intense Mint Green Emerald, Oval, Translucent
7.2 x 5.4 mm
$ 85.68
2.17ctw Royal Blue Kyanite, Oval, VS
7 x 5 mm (calibrated)
$ 54.42
1.01ct Lively Green Tourmaline, Emerald Cut, VVS-VS
14 x 3 mm
$ 33.34
1.02ct Orange Brown Zircon, Oval, VS
5.9 x 4.9 mm
$ 18.36
2.08ctw Royal Blue Kyanite, Oval, VS-SI
7 x 5 mm (calibrated)
$ 57.20
2.15ctw Warm White Sillimanite Cat's Eye, Oval, Transparent
7.1 x 4.7 mm
$ 8.52
1.08ct Cantaloupe Orange Moonstone, Pear Shape, Transparent
9 x 6 mm (calibrated)
$ 2.59
1.06ct Deep Orange Hessonite Garnet, Oval, VS
7.1 x 5.7 mm
$ 19.51
2.09ctw Deep Red Pyrope Garnet, Marquise, VVS-VS
9.9 x 5.1 mm
$ 22.07
1.08ct Very Light Grey Sillimanite Cat's Eye, Oval, Transparent
7 x 5.6 mm
$ 4.07
1.06ct Multicolor Opal, Emerald Cut, Transparent
11.4 x 5.7 mm
$ 57.24
2.12ctw Sky Blue Topaz, Fancy, VS
7 x 5 mm (calibrated)
$ 13.99
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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 
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Overall Rating -> 10
I am filling a small treasure chest and picked a nice amethyst.
Overall Rating -> 10
My experience was done with ease
Overall Rating -> 8 
Good prices
