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 |
1.04ct Red Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 33.28
2.18ctw Red Pyrope Garnet, Marquise, VVS-VS
10.2 x 5.1 mm
$ 23.02
2.04ctw Pink Tourmaline, Round, Transparent
6 mm (calibrated)
$ 40.74
1.02ct Yellow Morganite, Oval, VVS-VS
8 x 6 mm (calibrated)
$ 67.32
1.09ct Green Sphene, Oval, Transparent
6.2 x 5.2 mm
$ 6.54
2.03ctw White Sillimanite Cat's Eye, Oval, Transparent
7 x 5 mm (calibrated)
$ 8.04
1.00ct Green Tourmaline, Baguette, VVS-VS
15 x 2.9 mm
$ 42.00
1.07ct Orange Zircon, Oval, VVS
6 x 4.8 mm
$ 19.26
2.02ctw Blue Topaz, Fancy, VVS-VS
7 x 5 mm (calibrated)
$ 13.33
2.00ctw Blue Topaz, Oval, VS
7.1 x 5.2 mm
$ 27.62
1.08ct Green Tourmaline, Emerald Cut, VVS
15.7 x 3.3 mm
$ 35.64
1.09ct Brown Kornerupine, Pear Shape, VVS
8.1 x 5.6 mm
$ 109.00
2.02ctw Pink Strawberry Quartz, Round, Transparent
7 mm (calibrated)
$ 21.34
1.03ct Green Peridot, Emerald Cut, VS
7 x 5 mm (calibrated)
$ 18.54
1.08ct Yellow Color-Change Diaspore, Pear Shape, VS
12 x 4.7 mm
$ 68.69
5.40ctw Purple Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 138.35
1.00ct Orange Hessonite Garnet, Cushion, SI
5.3 x 5.2 mm
$ 21.60
1.03ct Multicolor Black Opal, Pear Shape, Opaque
8.7 x 7.4 mm
$ 31.82
1.09ct Red Ruby, Oval, SI
6.5 x 5.5 mm
$ 964.02
2.18ctw White Zircon, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 15.68
1.04ct Pink Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 112.32
2.06ctw Multicolor Labradorite, Round, Translucent
6.5 mm (calibrated)
$ 2.96
4.15ctw Green Peridot, Oval, VS
7.8 x 5.7 mm
$ 54.78
1.06ct White Cat's Eye Moonstone, Oval, Transparent
7.3 x 5.2 mm
$ 4.20
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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 
It was easy and to the point
Overall Rating -> 10
hassle free experience.
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
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 10
Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.
