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 |
1.07ct Green Peridot, Oval, VVS-VS
7.5 x 5.5 mm
$ 7.46
1.09ct Yellow Color-Change Diaspore, Emerald Cut, VS
5.8 x 5 mm
$ 33.43
1.07ct Yellow Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 21.31
1.03ct Orange Zircon, Oval, VVS
6 x 4.9 mm
$ 25.65
1.01ct White Sillimanite Cat'S Eye, Oval, Transparent
6.4 x 6.2 mm
$ 3.88
1.01ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 24.79
1.01ct Red Ruby, Round, VS
5.3 mm
$ 90.54
1.00ct Yellow Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 19.92
2.14ctw Orange Zircon, Oval, VVS
6.1 x 4.9 mm
$ 53.29
1.00ct Gray Cat'S Eye Alexandrite, Oval, Opaque
4.5 x 6.6 mm
$ 207.50
5.22ctw Yellow Citrine, Heart, VS
7 x 7 mm (calibrated)
$ 34.31
2.06ctw Black Onyx, Round, Opaque
6.5 mm (calibrated)
$ 4.10
1.06ct Green Tourmaline, Emerald Cut, VVS-VS
13.7 x 3.1 mm
$ 26.39
1.04ct Purple Spinel, Oval, VVS-VS
6.6 x 5.7 mm
$ 119.64
1.01ct Yellow Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 20.12
1.05ct Pink Rhodolite Garnet, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 27.89
2.17ctw White Zircon, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 12.86
1.01ct Red Ruby, Oval, VS
7 x 5 mm (calibrated)
$ 70.42
1.04ct Green Emerald, Round, Translucent
6 mm (calibrated)
$ 82.87
1.04ct Brown Color-Change Garnet, Oval, VVS
6.5 x 4.7 mm
$ 83.08
4.12ctw White Zircon, Round, VVS-VS
6 mm (calibrated)
$ 65.09
2.17ctw Yellow Citrine, Pear Shape, VVS-VS
9 x 6 mm (calibrated)
$ 11.89
1.00ct Yellow Color-Change Diaspore, Pear Shape, VS-SI
6.4 x 4.8 mm
$ 52.25
1.02ct Red Ruby, Pear Shape, VS-SI
7 x 5 mm (calibrated)
$ 91.43
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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 
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 
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 10
I have been very happy with my prior purchases and enjoy the website experience.
Overall Rating -> 10
I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.
Overall Rating -> 10
I loved it! Extensive inventory, great prices, I definitely will be buying from here again!
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
