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 |
1.03ct Deep Orange Zircon, Oval, VVS-VS
6 x 5 mm
$ 30.90
1.09ct Medium Red Ruby, Oval, VS-SI
7 x 5 mm (calibrated)
$ 964.02
1.05ct Light Lively Green Sphene, Oval, Transparent
6.1 x 5.7 mm
$ 6.94
1.08ct Yellowish Orange Hessonite Garnet, Emerald Cut, VVS-VS
7 x 5 mm (calibrated)
$ 24.62
4.34ctw Yellowish Green Peridot, Square, VVS-VS
6 x 6 mm (calibrated)
$ 91.49
2.05ctw Multicolor Opal Doublet, Oval, Opaque
9 x 7 mm (calibrated)
$ 73.37
1.06ct Dark Sangria Spinel, Pear Shape, VVS-VS
6.4 x 5.4 mm
$ 87.45
1.06ct Light Green Tourmaline, Round, Transparent
6 mm (calibrated)
$ 21.17
4.24ctw Deep Orange Hessonite Garnet, Emerald Cut, VS-SI
7 x 5 mm (calibrated)
$ 111.94
2.10ctw Swiss Blue Topaz, Fancy, VS
7 x 5 mm (calibrated)
$ 13.86
4.37ctw Orange-Gold Citrine, Heart, VVS-VS
7 x 7 mm (calibrated)
$ 40.38
1.07ct Pale Yellow Color-Change Diaspore, Emerald Cut, VS
5.8 x 5.2 mm
$ 63.56
2.17ctw Peach Orange Moonstone, Cushion, Translucent
6 x 6 mm (calibrated)
$ 5.21
1.08ct Medium Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 116.64
1.06ct Medium Orange Moonstone, Pear Shape, Translucent
9 x 6 mm (calibrated)
$ 2.56
1.04ct Light Pinkish Purple Spinel, Cushion, VS
6 x 6 mm (calibrated)
$ 187.20
5.05ctw Light-Medium Violet Amethyst, Fancy, VS
9.1 x 4.5 mm
$ 33.33
1.01ct Medium-Light Yellow Chrysoberyl, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 141.89
2.18ctw Golden Citrine, Square, VS
6 x 6 mm (calibrated)
$ 18.31
2.06ctw Sangria Red Pyrope Garnet, Marquise, VVS
10 x 5.1 mm
$ 21.76
4.07ctw Medium Violet-Pink Amethyst, Square, VVS-VS
6 x 6 mm (calibrated)
$ 34.19
2.02ctw Navy Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 46.06
1.00ct Medium Light Brown Color-Change Garnet, Oval, VS
6.3 x 4.8 mm
$ 96.25
1.01ct Scarlet Red Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 32.32
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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 -> 8 
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
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 -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Overall Rating -> 10
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
Overall Rating -> 10
It was easy to navigate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
