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 |
2.17ctw White Rainbow Moonstone, Oval, Translucent
7.1 x 6 mm
$ 42.51
1.05ct Blue Kyanite, Oval, VS-SI
7 x 5 mm (calibrated)
$ 23.01
1.07ct Yellow Citrine, Emerald Cut, VVS-VS
8 x 6 mm (calibrated)
$ 7.46
4.24ctw Orange Hessonite Garnet, Emerald Cut, VS-SI
7 x 5 mm (calibrated)
$ 92.91
2.16ctw Red Pyrope Garnet, Marquise, VVS-VS
9.9 x 5 mm
$ 18.93
1.06ct Red Ruby, Round, VS-SI
6 mm (calibrated)
$ 778.12
1.06ct Red Ruby, Emerald Cut, VS
6.1 x 4.2 mm
$ 95.02
4.15ctw Green Peridot, Oval, VS
7.8 x 5.7 mm
$ 45.47
1.07ct Red Pyrope Garnet, Marquise, VVS-VS
10.1 x 5.1 mm
$ 9.38
1.03ct Purple Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 27.36
1.09ct Green Peridot, Emerald Cut, VS
7 x 5 mm (calibrated)
$ 17.37
2.14ctw Pink Morganite, Oval, VS
8 x 6 mm (calibrated)
$ 140.68
2.18ctw White Zircon, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 13.01
2.12ctw Red Rubies, Oval, VS
7 x 5 mm (calibrated)
$ 211.15
1.06ct Blue Kyanite, Round, SI
6 mm (calibrated)
$ 26.39
2.03ctw Blue Topaz, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 11.15
1.07ct Red Malaya Garnet, Marquise, VS
9.9 x 5 mm
$ 49.24
1.02ct Green Tourmaline, Baguette, VVS
12 x 3.1 mm
$ 35.56
4.24ctw Blue Topaz, Fancy, VVS-VS
7 x 5 mm (calibrated)
$ 27.87
1.00ct Green Tourmaline, Emerald Cut, VVS
9.9 x 4.2 mm
$ 24.90
1.05ct Multicolor Black Opal, Pear Shape, Translucent
10.9 x 6.2 mm
$ 26.40
2.04ctw Yellow Golden Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 55.88
2.05ctw Blue Topaz, Fancy, VS
7.3 x 4.9 mm
$ 11.24
1.06ct Multicolor Opal, Oval, Opaque
10 x 8 mm (calibrated)
$ 31.67
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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 -> 9 
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
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 -> 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
Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.
Overall Rating -> 10
the selection is good as are the prices
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
