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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
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Black 1 ct Gemstones
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Multicolor 1 ct Gemstones
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White 1 ct Gemstones
Yellow 1 ct Gemstones
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Pairs
Lots
Faceted
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2.12ctw Red Rubies, Oval, VS

6.7 x 4.9 mm

$ 139.92

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1.07ct Orange Zircon, Oval, VVS-VS

5.9 x 4.9 mm

$ 19.26

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1.04ct Red Ruby, Round, VS

5.5 mm (calibrated)

$ 112.32

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1.03ct Red Ruby, Oval, VS-SI

6.4 x 5.4 mm

$ 910.96

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2.09ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 14.93

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1.02ct Yellow Morganite, Oval, VS

8 x 6 mm (calibrated)

$ 48.36

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2.04ctw White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 14.57

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1.04ct Brown Sillimanite Cat's Eye, Oval, Transparent

5.8 x 5.6 mm

$ 3.74

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1.04ct Yellow Sphene, Oval, Transparent

6.7 x 5.8 mm

$ 6.24

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1.09ct Yellow Morganite, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 57.55

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2.10ctw Multicolor Labradorite, Round, Translucent

6 mm (calibrated)

$ 3.02

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1.06ct Purple Spinel, Oval, VS

6.6 x 5.4 mm

$ 143.52

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1.07ct Green Sapphire, Cushion, VS

6.4 x 5.3 mm

$ 109.14

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2.15ctw Blue Topaz, Fancy, VS

7.2 x 5.2 mm

$ 14.20

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1.00ct Purple Spinel, Pear Shape, VS

7.3 x 5.4 mm

$ 118.80

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1.07ct Pink Tourmaline, Emerald Cut, VS

5.9 x 4.8 mm

$ 93.22

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4.36ctw Red Malaya Garnet, Cushion, VVS-VS

7.2 x 5.2 mm

$ 201.43

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1.07ct Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 28.25

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2.09ctw Red Pyrope Garnet, Marquise, VVS-VS

10 x 5.1 mm

$ 22.07

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1.07ct Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 34.24

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1.04ct Multicolor Black Opal, Emerald Cut, Opaque

8.3 x 6.9 mm

$ 36.40

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1.07ct Orange Zircon, Oval, VVS-VS

6 x 4.8 mm

$ 32.10

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4.00ctw Blue Star Sapphire, Oval, Opaque

7 x 5.2 mm

$ 105.60

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1.08ct Green Peridot, Oval, VS

8 x 6 mm (calibrated)

$ 11.66

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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

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate
Enlarged Gemstone Image