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 |
2.07ctw Red Pyrope Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 22.68
1.08ct Green Emerald, Oval, Translucent
6.9 x 5.9 mm
$ 75.30
1.06ct Yellow Sapphire, Cushion, VS
6.6 x 5.9 mm
$ 219.95
2.16ctw White Rainbow Moonstone, Oval, Transparent
7 x 6 mm
$ 71.01
1.01ct Pink Tourmaline, Emerald Cut, VS
7.4 x 4.8 mm
$ 73.04
2.02ctw Orange Citrine, Heart, VVS
7 x 7 mm (calibrated)
$ 16.77
1.09ct Multicolor Opal, Oval, Opaque
8 x 6 mm (calibrated)
$ 32.57
1.01ct Green Peridot, Oval, VS
7 x 5 mm (calibrated)
$ 15.49
2.16ctw Yellow Citrine, Heart, VS
7 x 7 mm (calibrated)
$ 15.06
1.02ct Pink Morganite, Pear Shape, VVS-VS
9.1 x 5.6 mm
$ 111.75
1.04ct Purple Spinel, Oval, VS
7.4 x 5.5 mm
$ 73.29
1.06ct Multicolor Sapphire, Cushion, VVS-VS
6.1 x 4.8 mm
$ 105.58
1.03ct Green Tourmaline, Round, Transparent
6 mm (calibrated)
$ 17.66
1.07ct Orange Hessonite Garnet, Baguette, VS-SI
6.1 x 4.5 mm
$ 20.22
4.16ctw White Zircon, Oval, VVS
7 x 5 mm (calibrated)
$ 24.71
4.34ctw White Zircon, Oval, VS
7 x 5 mm (calibrated)
$ 23.42
1.06ct Yellow Citrine, Square, VVS-VS
6 x 6 mm (calibrated)
$ 7.39
1.06ct Green Tourmaline, Emerald Cut, VVS-VS
12.3 x 3.2 mm
$ 52.79
4.11ctw Purple Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 87.41
4.23ctw Blue Topaz, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 23.22
1.01ct Yellow Chrysoberyl, Oval, VVS
7 x 5 mm (calibrated)
$ 116.99
1.07ct Green Peridot, Oval, VVS-VS
8 x 6 mm (calibrated)
$ 7.46
1.04ct Brown Kornerupine, Oval, VS
8.1 x 5.7 mm
$ 86.32
1.09ct Yellow Color-Change Diaspore, Marquise, VS-SI
10.7 x 4.7 mm
$ 58.08
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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 
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
Very good
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Overall Rating -> 10
My experience was done with ease
Overall Rating -> 10
Excellent options
Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
