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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

Size Explained

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For Example: 6-7
For Example: 8-9
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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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White 1 ct Gemstones
Yellow 1 ct Gemstones
Single
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Lots
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1.02ct Orange Brown Zircon, Oval, VS

1.02ct Orange Brown Zircon, Oval, VS

6.2 x 5 mm

$ 18.36

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1.07ct Medium Green Peridot, Oval, VVS-VS

1.07ct Medium Green Peridot, Oval, VVS-VS

7.5 x 5.5 mm

$ 8.99

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4.01ctw Pinkish Violet Amethyst, Square, VVS-VS

4.01ctw Pinkish Violet Amethyst, Square, VVS-VS

6 x 6 mm (calibrated)

$ 37.06

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2.17ctw Sky Blue Topaz, Emerald Cut, VS

2.17ctw Sky Blue Topaz, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 19.91

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4.00ctw Clear White Zircon, Oval, VVS

4.00ctw Clear White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 28.78

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1.04ct Deep Orange Zircon, Oval, VS

1.04ct Deep Orange Zircon, Oval, VS

5.9 x 4.8 mm

$ 31.20

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1.03ct Brownish Green Tourmaline, Oval, VS

1.03ct Brownish Green Tourmaline, Oval, VS

6.4 x 5.4 mm

$ 47.22

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1.09ct Reddish Pink Ruby, Round, VS-SI

1.09ct Reddish Pink Ruby, Round, VS-SI

6 mm (calibrated)

$ 117.72

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4.05ctw Swiss Blue Topaz, Marquise, VVS-VS

4.05ctw Swiss Blue Topaz, Marquise, VVS-VS

9.8 x 5 mm

$ 37.43

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2.17ctw Sky Blue Topaz, Fancy, VVS-VS

2.17ctw Sky Blue Topaz, Fancy, VVS-VS

7.2 x 5.2 mm

$ 14.33

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1.09ct Bright Green Peridot, Emerald Cut, VS

1.09ct Bright Green Peridot, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 19.62

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2.08ctw Multicolor Opal, Oval, Opaque

2.08ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 74.88

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1.04ct Medium Green Peridot, Emerald Cut, VS-SI

1.04ct Medium Green Peridot, Emerald Cut, VS-SI

7 x 5 mm (calibrated)

$ 19.97

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2.06ctw Deep Blue Kyanite, Oval, SI

2.06ctw Deep Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 54.38

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1.00ct Gold Sapphire, Marquise, VVS

1.00ct Gold Sapphire, Marquise, VVS

9.9 x 5 mm

$ 184.80

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4.21ctw Clear White Zircon, Round, VS

4.21ctw Clear White Zircon, Round, VS

6 mm (calibrated)

$ 80.14

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2.06ctw White Zircon, Oval, VVS-VS

2.06ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 14.82

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1.05ct Teal Sapphire, Briolette, VS

1.05ct Teal Sapphire, Briolette, VS

6.5 x 4.2 mm

$ 113.40

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4.30ctw White Zircon, Oval, VVS-VS

4.30ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 30.94

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

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

7.4 x 4.9 mm

$ 64.24

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1.02ct Teal Sapphire, Briolette, VS

1.02ct Teal Sapphire, Briolette, VS

6.3 x 4.2 mm

$ 110.16

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1.09ct Pink Berry Purple Rhodolite Garnet, Oval, VS

1.09ct Pink Berry Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 34.88

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2.09ctw Medium-Dark Golden Citrine, Marquise, VS

2.09ctw Medium-Dark Golden Citrine, Marquise, VS

9.1 x 5.1 mm

$ 13.80

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2.15ctw White Zircon, Round, VS

2.15ctw White Zircon, Round, VS

6 mm (calibrated)

$ 40.92

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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 -> 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

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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