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 |
1.01ct Deep Azure Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 26.66
1.07ct Light Lively Green Sphene, Oval, Transparent
6.2 x 5.4 mm
$ 6.42
1.03ct Deep Lavender Spinel, Cushion, VVS-VS
6.4 x 5.9 mm
$ 185.40
2.09ctw White Zircon, Oval, VS
7 x 5 mm (calibrated)
$ 15.04
1.04ct Medium Orange Sunstone, Oval, Translucent
8 x 6 mm (calibrated)
$ 8.74
1.02ct Bright Green Sphene, Oval, Transparent
6.2 x 5.5 mm
$ 6.12
1.02ct Navy Blue Kyanite, Oval, VS
7.1 x 5.3 mm
$ 30.60
1.08ct Berry Purple Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 34.56
4.24ctw Dark Blue Star Sapphire, Oval, Opaque
7 x 5 mm (calibrated)
$ 100.74
4.17ctw Deep Navy Blue Star Sapphire, Oval, Opaque
7 x 5 mm (calibrated)
$ 99.08
1.07ct Olive Green Sphene, Oval, Transparent
6.8 x 5.7 mm
$ 7.07
1.06ct Light Earthy Green Sphene, Oval, Transparent
6.6 x 5.2 mm
$ 6.36
1.04ct Light Green Emerald, Round, Translucent
6 mm (calibrated)
$ 87.36
1.05ct Medium Light Brown Color-Change Garnet, Oval, VVS-VS
6.7 x 5.4 mm
$ 101.06
2.04ctw Multicolor Labradorite, Round, Translucent
6 mm (calibrated)
$ 2.94
1.00ct Dark Blue Kyanite, Round, SI
6 mm (calibrated)
$ 30.00
1.06ct Multicolor Mystic Quartz, Trillion, VVS
7 x 7 mm (calibrated)
$ 8.90
2.15ctw Light Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 258.00
1.09ct Hot Pink Tone Tourmaline, Round, Transparent
6 mm (calibrated)
$ 23.98
1.02ct Deep Orange Zircon, Oval, VVS-VS
6 x 4 mm (calibrated)
$ 30.60
1.06ct Golden Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 31.80
2.05ctw Multicolor Opal, Oval, Opaque
9 x 7 mm (calibrated)
$ 73.80
1.09ct Medium Green Blue Grandidierite, Oval, Translucent
7.1 x 6.6 mm
$ 546.48
1.03ct Deep Magenta Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 111.24
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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 
Over pretty well experience the your website no complaints about it very easy reliable service provided
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
Easy to conduct search, good amount of stock to select from along with variety of prices.
Overall Rating -> 10
I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.
Overall Rating -> 9 
I think therea's no problem
Overall Rating -> 10
My whole experience is great.
