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Home Gemstones Gemstones By Weight 1 ct Gemstones

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

Size Explained

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For Example: 6-7
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Black 1 ct Gemstones
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White 1 ct Gemstones
Yellow 1 ct Gemstones
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1.08ct Green Emerald, Oval, Translucent

7.3 x 6 mm

$ 75.30

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1.00ct Green Tourmaline, Emerald Cut, VVS-VS

13.5 x 3.5 mm

$ 32.87

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1.03ct Orange Hessonite Garnet, Pear Shape, SI

8.1 x 5.7 mm

$ 22.57

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4.35ctw Red Pyrope Garnet, Marquise, VVS-VS

10 x 5 mm (calibrated)

$ 38.13

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1.06ct Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 28.15

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1.99ctw Blue Topaz, Fancy, VVS-VS

7.3 x 5.1 mm

$ 10.91

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1.05ct Orange Zircon, Oval, VVS-VS

6 x 5 mm

$ 15.69

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2.04ctw White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 12.09

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1.01ct Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 90.54

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2.07ctw White Sillimanite Cat'S Eye, Oval, Transparent

7.4 x 5 mm

$ 6.81

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1.01ct Yellow Zircon, Oval, VVS-VS

6 x 4.8 mm

$ 25.15

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1.03ct Yellow Citrine, Emerald Cut, VVS-VS

7.7 x 5.8 mm

$ 7.18

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1.08ct Green Chrome Diopside, Marquise, VS-SI

10 x 5 mm (calibrated)

$ 26.89

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1.00ct Yellow Color-Change Diaspore, Pear Shape, VS-SI

6.4 x 4.8 mm

$ 52.25

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1.05ct Orange Hessonite Garnet, Square, VS-SI

5 x 5 mm (calibrated)

$ 18.33

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1.06ct Orange Sphalerite, Round, VS-SI

5.7 mm

$ 52.79

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2.17ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 12.86

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1.09ct Yellow Citrine, Square, VVS-VS

6 x 6 mm (calibrated)

$ 7.60

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1.05ct Green Chrysoberyl, Pear Shape, VVS

7.7 x 5.9 mm

$ 101.97

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1.01ct Violet Amethyst, Marquise, VS

10 x 5 mm (calibrated)

$ 6.71

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1.02ct Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 91.43

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1.04ct Purple Spinel, Cushion, VVS

6.5 x 4.9 mm

$ 74.77

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1.07ct Orange Hessonite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 18.68

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1.09ct Green Peridot, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 9.77

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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 -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate
Enlarged Gemstone Image