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 |
1.02ct Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 651.88
1.05ct Orange Sunstone, Oval, Translucent
8 x 6 mm (calibrated)
$ 7.32
1.02ct White Sillimanite Cat'S Eye, Oval, Transparent
7 x 5 mm (calibrated)
$ 3.92
1.02ct Blue Cavansite, Fancy, Opaque
7.9 x 6.4 mm
$ 5.93
2.16ctw Red Pyrope Garnet, Marquise, VVS-VS
9.9 x 5.1 mm
$ 18.93
1.05ct Red Ruby, Round, VS-SI
6 mm (calibrated)
$ 322.11
2.01ctw Blue Topaz, Fancy, VVS-VS
7 x 5 mm (calibrated)
$ 11.01
1.07ct Yellow Color-Change Diaspore, Oval, VS-SI
6.6 x 5.1 mm
$ 57.01
2.12ctw Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 69.68
1.05ct Multicolor Opal, Oval, Opaque
8 x 6 mm (calibrated)
$ 31.37
1.07ct Multicolor Opal, Pear Shape, Transparent
10 x 7 mm (calibrated)
$ 26.64
2.16ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.30
1.08ct Green Emerald, Oval, Translucent
6.9 x 5.9 mm
$ 75.30
1.06ct Yellow Color-Change Diaspore, Cushion, VVS
7 x 5 mm (calibrated)
$ 43.79
1.02ct Red Ruby, Round, VS-SI
5.5 mm (calibrated)
$ 364.14
2.16ctw Yellow Beryl, Trillion, VVS
8 x 8 mm (calibrated)
$ 43.03
1.03ct Brown Color-Change Garnet, Marquise, VVS-VS
9.4 x 4.1 mm
$ 82.29
1.07ct Red Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 23.45
4.24ctw Blue Star Sapphire, Oval, Opaque
7 x 5 mm (calibrated)
$ 83.61
2.07ctw Blue Topaz, Fancy, VVS-VS
7 x 5 mm (calibrated)
$ 11.35
1.07ct Orange Citrine, Heart, VVS
7 x 7 mm (calibrated)
$ 8.88
1.04ct Purple Rhodolite Garnet, Oval, VS-SI
7 x 5 mm (calibrated)
$ 27.62
1.06ct Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 95.02
3.23ctw Yellow Sillimanite, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 123.86
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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 
I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future
Overall Rating -> 10
Love how easy the site is to use. Really love that the pictures are of actual product.
Overall Rating -> 10
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
Overall Rating -> 10
Easy and good price
Overall Rating -> 10
They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.
Overall Rating -> 9 
Easy to use. Many options to find the right gemstone
