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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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 |
1.07ct Green Tourmaline, Emerald Cut, VVS-VS
15.2 x 3.2 mm
$ 42.37
4.16ctw White Zircon, Oval, VVS
7 x 5 mm (calibrated)
$ 29.77
1.05ct Brown Color-Change Garnet, Oval, VVS
6.3 x 5 mm
$ 101.06
2.08ctw Orange Moonstone, Pear Shape, Transparent
9 x 6 mm (calibrated)
$ 4.99
1.08ct Violet Sapphire, Cushion, VVS
6.9 x 5.5 mm
$ 427.68
1.07ct Red Ruby, Oval, SI
6.3 x 5.2 mm
$ 946.33
1.03ct Yellow Citrine, Trillion, VS
7 x 7 mm (calibrated)
$ 9.52
1.03ct Yellow Citrine, Emerald Cut, VVS-VS
7.7 x 5.8 mm
$ 8.65
1.06ct Black Diamond, Square, Opaque
5.4 x 5.2 mm
$ 727.54
2.13ctw Blue Topaz, Marquise, VVS-VS
10.1 x 5.1 mm
$ 19.68
2.10ctw White Zircon, Round, VS
6 mm (calibrated)
$ 39.97
1.06ct Blue Topaz, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 14.64
3.99ctw Purple Rhodolite Garnet, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 102.24
1.01ct Purple Rhodolite Garnet, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 32.32
2.06ctw Yellow Golden Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 67.98
2.05ctw Orange Sunstone, Oval, Translucent
8 x 6 mm (calibrated)
$ 17.22
2.00ctw Yellow Beryl, Oval, VVS-VS
8 x 6 mm (calibrated)
$ 48.00
2.07ctw Red Pyrope Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 27.32
1.02ct Orange Zircon, Oval, VS
5.9 x 4.9 mm
$ 18.36
4.34ctw White Zircon, Round, VVS-VS
6 mm (calibrated)
$ 82.90
1.07ct Green Peridot, Oval, VS
7 x 5 mm (calibrated)
$ 17.98
1.08ct Orange Sphalerite, Round, VS-SI
6 mm (calibrated)
$ 64.80
1.09ct Red Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 34.88
1.08ct Blue Kyanite, Oval, VS
7 x 5 mm (calibrated)
$ 32.40
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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 
Great! Affordable
Overall Rating -> 10
Easy process.
Overall Rating -> 10
Wonderful purchase, can't wait to see the stone.
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
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
My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.
