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 |
4.18ctw Deep Blue Star Sapphire, Oval, Opaque
7 x 5 mm (calibrated)
$ 110.35
1.04ct Medium Purple Spinel, Oval, VS
7.4 x 5.5 mm
$ 88.30
1.09ct Navy Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 32.70
1.02ct Yellow Brown Sphene, Oval, Transparent
6.4 x 5.4 mm
$ 6.12
1.02ct Medium Purplish Violet Amethyst, Marquise, VVS-VS
10 x 5 mm (calibrated)
$ 8.16
1.05ct Deep Blue Kyanite, Oval, SI
7 x 5 mm (calibrated)
$ 31.50
1.02ct Raspberry Red Purple Spinel, Pear Shape, VVS
7.6 x 6.1 mm
$ 114.83
1.05ct Medium Dark-Green Chrome Diopside, Marquise, VS-SI
10 x 5 mm (calibrated)
$ 31.50
1.02ct Light Pinkish Violet Amethyst, Emerald Cut, VS
6 x 6 mm (calibrated)
$ 9.79
2.03ctw Light Golden-Yellow Citrine, Round, VS
7 mm (calibrated)
$ 16.24
1.00ct Pale Yellow Color-Change Diaspore, Pear Shape, VS
10.9 x 4.2 mm
$ 42.24
1.06ct Jam Red Ruby, Round, VS
5.5 mm (calibrated)
$ 114.48
4.07ctw White Zircon, Oval, VVS
7 x 5 mm (calibrated)
$ 29.28
1.01ct Lively Green Peridot, Oval, VS
7 x 5 mm (calibrated)
$ 18.66
1.09ct Warm Grey Sillimanite Cat's Eye, Oval, Translucent
7 x 5 mm (calibrated)
$ 3.92
1.07ct Brick Red Malaya Garnet, Round, VS
6 mm (calibrated)
$ 56.50
1.01ct Light Yellow Color-Change Diaspore, Cushion, VVS
8.7 x 4.1 mm
$ 42.66
1.07ct Bright Gold Citrine, Trillion, VS
7 x 7 mm (calibrated)
$ 9.89
2.11ctw Deep Orange-Gold Citrine, Pear Shape, VVS-VS
9 x 6 mm (calibrated)
$ 16.72
1.06ct Warm Forest Green Sphene, Oval, Transparent
6 x 5.2 mm
$ 6.36
2.09ctw Deep Red Pyrope Garnet, Marquise, VVS-VS
10 x 5 mm
$ 22.07
1.01ct Warm Earthy Green Sphene, Oval, Transparent
6.5 x 5.3 mm
$ 6.06
1.06ct Golden Citrine, Square, VVS-VS
6 x 6 mm (calibrated)
$ 8.90
4.00ctw Sky Blue Topaz, Fancy, VS
7 x 5 mm (calibrated)
$ 26.40
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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 
Excellent options
Overall Rating -> 10
Very food
Overall Rating -> 10
So far, my experience was great...Thanks
Overall Rating -> 9 
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Overall Rating -> 9
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
Overall Rating -> 10
I feel Gemselect is a trustworthy company to buy from
