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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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Black 1 ct Gemstones
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Green 1 ct Gemstones
Multicolor 1 ct Gemstones
Orange 1 ct Gemstones
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Turquoise 1 ct Gemstones
Violet 1 ct Gemstones
White 1 ct Gemstones
Yellow 1 ct Gemstones
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Lots
Faceted
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1.08ct Medium Green Sphene, Oval, Transparent

6.5 x 5.9 mm

$ 6.48

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1.00ct Forest Green Tourmaline, Baguette, VVS-VS

15 x 2.9 mm

$ 42.00

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1.06ct Bluish White Rainbow Moonstone, Oval, Transparent

8 x 6 mm (calibrated)

$ 41.99

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1.07ct Medium Orange Zircon, Oval, VVS-VS

5.9 x 4.9 mm

$ 19.26

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2.17ctw Light Orange Moonstone, Cushion, Translucent

6 x 6 mm (calibrated)

$ 5.72

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1.08ct Warm White Sillimanite Cat's Eye, Oval, Transparent

6.1 x 5.5 mm

$ 5.18

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2.15ctw Medium Red Pyrope Garnet, Marquise, VVS-VS

10.1 x 5.1 mm

$ 22.70

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2.14ctw Navy Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 70.62

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1.07ct Medium-Dark Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 28.25

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1.06ct Deep Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 25.44

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4.34ctw Clear White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 31.22

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4.19ctw Swiss Blue Topaz, Oval, Transparent

7 x 5 mm (calibrated)

$ 38.71

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1.02ct Medium Dark-Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 110.16

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1.00ct Deep Violet Spinel, Oval, VS

6.6 x 5.6 mm

$ 123.68

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1.07ct Egyptian Blue Kyanite, Round, VS-SI

6 mm (calibrated)

$ 29.43

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3.19ctw Deep Orange Zircon, Emerald Cut, VS

6.2 x 4.2 mm

$ 63.17

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2.05ctw Deep Crimson Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 172.20

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1.03ct Bubblegum Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 20.57

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1.00ct Seaweed Green Tourmaline, Emerald Cut, VS

16.6 x 2.7 mm

$ 29.04

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2.03ctw Deep Crimson Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 170.52

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1.08ct Multicolor Opal, Oval, Transparent

9.1 x 7.3 mm

$ 58.32

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1.03ct Boysenberry Purple Spinel, Cushion, VVS-VS

6.8 x 5.2 mm

$ 123.60

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1.02ct Light-Medium Violet Amethyst, Marquise, VVS

10 x 5 mm (calibrated)

$ 8.16

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1.05ct Lively Green Sphene, Oval, Transparent

6.4 x 5.3 mm

$ 6.30

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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

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
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 easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate
Enlarged Gemstone Image