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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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For Example: 6-7
For Example: 8-9
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Black 1 ct Gemstones
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Multicolor 1 ct Gemstones
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Yellow 1 ct Gemstones
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1.01ct Deep Wine Red Rhodolite Garnet, Pear Shape, VS-SI

1.01ct Deep Wine Red Rhodolite Garnet, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 32.32

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1.09ct Dark Purple Rhodolite Garnet, Oval, VS

1.09ct Dark Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 34.88

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1.03ct Dark Blue Kyanite, Round, SI

1.03ct Dark Blue Kyanite, Round, SI

6 mm (calibrated)

$ 30.90

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1.06ct Bright Gold Citrine, Square, VS

1.06ct Bright Gold Citrine, Square, VS

6 x 6 mm (calibrated)

$ 8.90

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1.08ct Reddish Purple Spinel, Cushion, VS

1.08ct Reddish Purple Spinel, Cushion, VS

5.9 x 5.2 mm

$ 155.52

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1.04ct Golden Citrine, Cushion, VVS-VS

1.04ct Golden Citrine, Cushion, VVS-VS

8 x 6 mm (calibrated)

$ 9.36

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2.09ctw Warm White Zircon, Oval, VS

2.09ctw Warm White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 15.04

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1.00ct Dark Brown Color-Change Garnet, Oval, VS

1.00ct Dark Brown Color-Change Garnet, Oval, VS

5.8 x 5 mm

$ 96.25

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2.03ctw Medium Light Brown Color-Change Garnet, Oval, VS

2.03ctw Medium Light Brown Color-Change Garnet, Oval, VS

6.3 x 4.9 mm

$ 195.40

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1.99ctw Medium Red Pyrope Garnet, Marquise, VVS-VS

1.99ctw Medium Red Pyrope Garnet, Marquise, VVS-VS

9.9 x 4.9 mm

$ 21.01

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1.08ct Multicolor Opal, Oval, Transparent
Opal Product Video (548051)

1.08ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 324.00

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1.09ct Medium Golden Citrine, Trillion, VS

1.09ct Medium Golden Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 8.20

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1.09ct Warm Yellow Beryl, Trillion, VVS-VS

1.09ct Warm Yellow Beryl, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 26.16

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1.00ct Warm Brown Tourmaline, Pear Shape, VVS-VS

1.00ct Warm Brown Tourmaline, Pear Shape, VVS-VS

7 x 7 mm (calibrated)

$ 50.00

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2.04ctw London Blue Topaz, Oval, VVS-VS

2.04ctw London Blue Topaz, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 28.18

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1.03ct Medium Red Rhodolite Garnet, Oval, VS

1.03ct Medium Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 24.47

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1.08ct Light Golden Morganite, Oval, VS

1.08ct Light Golden Morganite, Oval, VS

8 x 6 mm (calibrated)

$ 51.20

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1.07ct Light Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

1.07ct Light Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

5.9 x 4.8 mm

$ 57.95

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1.09ct Multicolor Black Opal, Oval, Translucent

1.09ct Multicolor Black Opal, Oval, Translucent

9.4 x 7 mm

$ 33.02

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1.01ct Pale Yellow Color-Change Diaspore, Square, VVS-VS

1.01ct Pale Yellow Color-Change Diaspore, Square, VVS-VS

5.7 x 5.7 mm

$ 54.70

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1.04ct Amber Orange Hessonite Garnet, Emerald Cut, VVS-VS

1.04ct Amber Orange Hessonite Garnet, Emerald Cut, VVS-VS

6.3 x 5.1 mm

$ 18.64

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2.13ctw Light Orange Sunstone, Round, Translucent

2.13ctw Light Orange Sunstone, Round, Translucent

7 mm (calibrated)

$ 14.52

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1.05ct Multicolor Opal, Oval, Transparent

1.05ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 39.80

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1.06ct Dark Orange Sapphire, Round, VVS

1.06ct Dark Orange Sapphire, Round, VVS

5.5 mm (calibrated)

$ 251.86

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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 -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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