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1 Carat Gemstones

Browse our selection of natural 1 carat gemstones, ideal for elegant jewelry designs and collectors seeking perfectly balanced gem sizes.

1 ct Gemstones Weight
1 ct Gemstones Size
1 ct Gemstones Clarity
1 ct Gemstones Price
1 ct Gemstones Treatment

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For Example: 6-7
For Example: 8-9
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Black 1 ct Gemstones
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4.36ctw Medium Orange Hessonite Garnet, Emerald Cut, VS

4.36ctw Medium Orange Hessonite Garnet, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 115.10

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1.08ct Medium Orange Sphalerite, Round, VS-SI

1.08ct Medium Orange Sphalerite, Round, VS-SI

6 mm (calibrated)

$ 64.80

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2.16ctw Sky Blue Topaz, Emerald Cut, VVS-VS

2.16ctw Sky Blue Topaz, Emerald Cut, VVS-VS

7 x 5 mm (calibrated)

$ 18.61

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1.02ct Multicolor Mystic Quartz, Trillion, VS

1.02ct Multicolor Mystic Quartz, Trillion, VS

7 x 7 mm (calibrated)

$ 7.34

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1.00ct Plum Purple Spinel, Cushion, VS

1.00ct Plum Purple Spinel, Cushion, VS

6.6 x 5.5 mm

$ 144.00

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1.02ct Light Golden Morganite, Oval, VS

1.02ct Light Golden Morganite, Oval, VS

8 x 6 mm (calibrated)

$ 48.36

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1.02ct Deep Orange Hessonite Garnet, Baguette, VS

1.02ct Deep Orange Hessonite Garnet, Baguette, VS

6.1 x 4.3 mm

$ 23.21

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1.00ct Medium Orange Sunstone, Oval, Translucent

1.00ct Medium Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 7.00

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4.06ctw Very Light Brown Moonstone, Flower Cut, Translucent

4.06ctw Very Light Brown Moonstone, Flower Cut, Translucent

6.7 x 6.5 mm

$ 21.43

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2.03ctw Medium Orange Agate, Oval, Transparent

2.03ctw Medium Orange Agate, Oval, Transparent

8 x 6 mm (calibrated)

$ 4.47

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4.31ctw White Zircon, Round, VVS-VS

4.31ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 92.16

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1.05ct Reddish Orange Sunstone, Oval, Translucent

1.05ct Reddish Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 8.82

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1.08ct Earthy Green Tourmaline, Emerald Cut, VVS

1.08ct Earthy Green Tourmaline, Emerald Cut, VVS

16.8 x 3 mm

$ 23.82

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2.07ctw Multicolor Labradorite, Round, Translucent

2.07ctw Multicolor Labradorite, Round, Translucent

6 mm (calibrated)

$ 5.36

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2.05ctw Black Onyx, Round, Opaque

2.05ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.92

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5.09ctw Medium-Dark Purplish Violet Amethyst, Fancy, VS

5.09ctw Medium-Dark Purplish Violet Amethyst, Fancy, VS

9 x 4.6 mm

$ 40.31

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1.02ct Light Pink Tourmaline, Round, Transparent

1.02ct Light Pink Tourmaline, Round, Transparent

5.5 mm (calibrated)

$ 18.76

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4.12ctw Clear White Zircon, Round, VVS-VS

4.12ctw Clear White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 78.42

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4.08ctw Dark Blue Star Sapphire, Oval, Opaque

4.08ctw Dark Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 96.94

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1.04ct Bright Green Peridot, Emerald Cut, VS

1.04ct Bright Green Peridot, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 18.72

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2.00ctw Dark Blue Kyanite, Oval, VS

2.00ctw Dark Blue Kyanite, Oval, VS

7 x 5 mm (calibrated)

$ 50.16

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1.08ct Lively Yellowish Green Peridot, Oval, VS

1.08ct Lively Yellowish Green Peridot, Oval, VS

8 x 6 mm (calibrated)

$ 11.66

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2.07ctw Bluish White Rainbow Moonstone, Oval, Transparent

2.07ctw Bluish White Rainbow Moonstone, Oval, Transparent

6.9 x 6 mm

$ 82.00

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1.09ct Light Gold Citrine, Round, VS

1.09ct Light Gold Citrine, Round, VS

6.5 mm (calibrated)

$ 8.72

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Why Buy 1 Ct Gemstones from GemSelect?

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.

Loose 1 Carat Gemstones for Jewelry and Collectors

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 -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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