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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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Yellow 1 ct Gemstones
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1.06ct Yellowish Orange Hessonite Garnet, Pear Shape, VS-SI

8.1 x 5.7 mm

$ 27.98

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2.17ctw Silverish Blue Tanzanite, Round, Transparent

6 mm (calibrated)

$ 35.81

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1.06ct Pinkish Grape Spinel, Pear Shape, SI

7.8 x 5.4 mm

$ 136.43

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1.03ct Medium Orange Sapphire, Round, VVS

5.3 mm

$ 244.73

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1.05ct Deep Orange Hessonite Garnet, Baguette, VS

6 x 4.3 mm

$ 23.89

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1.05ct Greyish Purple Spinel, Baguette, VS

7.6 x 4.9 mm

$ 45.24

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1.06ct Yellowish Orange Hessonite Garnet, Round, VS

6 mm (calibrated)

$ 22.30

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1.02ct Medium Light Brown Color-Change Garnet, Cushion, VVS-VS

5.8 x 5.2 mm

$ 98.17

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1.01ct Very Light Yellow Color-Change Diaspore, Square, VS

5.7 x 5.2 mm

$ 42.72

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1.03ct Reddish Orange Hessonite Garnet, Round, VS

6 mm (calibrated)

$ 21.02

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1.05ct Green Tourmaline, Emerald Cut, VVS-VS

11.5 x 3.6 mm

$ 41.58

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1.09ct Multicolor Opal, Marquise, Transparent

13.8 x 5.6 mm

$ 58.86

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4.26ctw Clear White Sillimanite Cat's Eye, Oval, Translucent

7 x 5 mm (calibrated)

$ 20.35

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1.05ct Dark Red Spinel, Cushion, VS

6.1 x 5.6 mm

$ 136.50

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1.06ct Yale Blue Cavansite, Fancy, Opaque

8.7 x 7.4 mm

$ 7.42

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1.06ct Medium Dark-Orange Hessonite Garnet, Emerald Cut, VVS-VS

7 x 5 mm (calibrated)

$ 25.44

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2.04ctw Sky Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 13.46

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1.02ct Light Pink Morganite, Pear Shape, VVS-VS

11.2 x 4.7 mm

$ 134.64

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1.01ct Light Yellow Color-Change Diaspore, Cushion, VVS

10.9 x 3.8 mm

$ 42.66

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1.06ct Light Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 21.17

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1.04ct Medium Dark-Orange Zircon, Oval, VVS-VS

5.9 x 4.9 mm

$ 15.61

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1.02ct Forest Green Sapphire, Briolette, VS

6.5 x 4.3 mm

$ 110.16

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1.08ct Fire Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 9.07

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1.05ct Deep Crimson Ruby, Emerald Cut, VS

6 x 4.3 mm

$ 113.40

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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

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate
Enlarged Gemstone Image