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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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Black 1 ct Gemstones
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Yellow 1 ct Gemstones
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1.03ct Green Tourmaline, Oval, VS

6.4 x 5.4 mm

$ 39.19

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1.00ct Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 5.81

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1.05ct Red Ruby, Round, VS-SI

6 mm (calibrated)

$ 322.11

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1.01ct Orange Hessonite Garnet, Baguette, VS

5.8 x 4.5 mm

$ 19.07

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1.08ct Gray Sillimanite Cat'S Eye, Oval, Transparent

7 x 5.6 mm

$ 3.38

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1.04ct Brown Sillimanite Cat'S Eye, Oval, Transparent

5.8 x 5.6 mm

$ 3.10

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1.05ct Green Peridot, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 15.69

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1.06ct Purple Spinel, Cushion, VS

6.2 x 5.4 mm

$ 52.39

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1.02ct Blue Cavansite, Fancy, Opaque

7.9 x 6.4 mm

$ 5.93

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1.09ct Yellow Color-Change Diaspore, Cushion, VS

6.7 x 5.9 mm

$ 57.04

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6.19ctw Blue Topaz, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 33.97

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1.01ct Pink Morganite, Round, VS

7 mm (calibrated)

$ 39.23

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1.00ct Yellow Sphalerite, Oval, SI-I1

6.1 x 4.8 mm

$ 49.80

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1.08ct Orange Hessonite Garnet, Oval, VVS-VS

7.4 x 6 mm

$ 16.50

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4.15ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 24.64

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2.11ctw Yellow Citrine, Square, VVS-VS

6 x 6 mm (calibrated)

$ 12.76

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1.07ct Green Chrome Diopside, Marquise, VS-SI

9.7 x 4.7 mm

$ 26.64

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1.06ct Orange Hessonite Garnet, Round, VS

6 mm (calibrated)

$ 16.19

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1.01ct Violet Amethyst, Marquise, VVS-VS

10 x 5 mm (calibrated)

$ 6.71

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1.04ct Yellow Diamond, Fancy, SI

6.4 x 5.1 mm

$ 2,208.32

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2.15ctw Yellow Citrine, Square, VS

6 x 6 mm (calibrated)

$ 14.99

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1.07ct Yellow Beryl, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 21.31

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4.31ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 76.49

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4.18ctw Blue Topaz, Emerald Cut, VVS-VS

7 x 5 mm (calibrated)

$ 29.91

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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 -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate
Enlarged Gemstone Image