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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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1.00ct Green Tourmaline, Emerald Cut, VS

16.6 x 2.7 mm

$ 24.10

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1.09ct Yellow Citrine, Pear Shape, VS

9 x 6 mm (calibrated)

$ 9.75

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1.09ct Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 28.95

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2.05ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 61.25

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1.02ct Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 7.11

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1.03ct Blue Kyanite, Oval, VS-SI

7 x 5 mm (calibrated)

$ 22.57

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1.01ct Green Chrysoberyl, Marquise, VVS

9 x 4.5 mm

$ 98.14

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1.01ct Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 90.54

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1.09ct Green Sphene, Oval, Transparent

5.6 x 5.4 mm

$ 5.98

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1.04ct Purple Spinel, Oval, VS

6.5 x 5.5 mm

$ 180.94

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1.08ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 23.66

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1.07ct Blue Sapphire, Marquise, VVS-VS

9.1 x 4.5 mm

$ 213.14

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4.27ctw Orange Zircon, Round, VVS-VS

6 mm (calibrated)

$ 101.85

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1.06ct Red Malaya Garnet, Marquise, VVS-VS

9.1 x 4.6 mm

$ 40.65

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1.06ct Violet Amethyst, Marquise, VS

10 x 5 mm (calibrated)

$ 7.04

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1.00ct Green Tourmaline, Emerald Cut, VS

14.4 x 2.8 mm

$ 26.29

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2.17ctw Yellow Beryl, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 43.23

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1.02ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 364.14

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1.09ct Yellow Chrysoberyl, Pear Shape, VVS

7 x 5.4 mm

$ 127.53

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1.04ct Brown Color-Change Garnet, Oval, VVS

6.5 x 4.7 mm

$ 83.08

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2.02ctw Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 38.23

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1.07ct Green Sphene, Oval, Transparent

6.2 x 5.4 mm

$ 5.33

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6.10ctw Yellow Citrine, Square, VS

6 x 6 mm (calibrated)

$ 27.85

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1.03ct Brown Color-Change Garnet, Cushion, VVS-VS

6.2 x 4.8 mm

$ 82.29

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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

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate
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