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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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Yellow 1 ct Gemstones
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1.02ct Yellow Citrine, Square, VVS

6 x 6 mm (calibrated)

$ 7.11

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1.08ct Green Emerald, Oval, Translucent

7.2 x 5.5 mm

$ 75.30

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1.03ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 25.65

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1.09ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 32.57

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1.07ct Pink Tourmaline, Emerald Cut, VS

7.3 x 4.6 mm

$ 80.88

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2.13ctw Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 11.67

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1.07ct Green Sapphire, Cushion, VS

6.4 x 5.3 mm

$ 90.59

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1.07ct Yellow Citrine, Round, VVS-VS

7 mm (calibrated)

$ 7.10

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1.05ct Yellow Beryl, Round, VVS

7 mm (calibrated)

$ 20.92

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1.04ct White Sillimanite Cat'S Eye, Oval, Transparent

7 x 5 mm (calibrated)

$ 3.25

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2.17ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 71.32

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1.00ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 21.91

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1.06ct Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 648.43

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2.09ctw White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 12.39

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2.05ctw Multicolor Opal Doublet, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.90

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2.01ctw Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 38.04

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4.12ctw Blue Topaz, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 20.56

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1.06ct Red Ruby, Round, VS

6 mm (calibrated)

$ 79.18

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1.02ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 16.90

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1.05ct Green Tourmaline, Emerald Cut, VVS

9.8 x 4.3 mm

$ 26.15

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2.05ctw Red Pyrope Garnet, Marquise, VVS-VS

10 x 5 mm

$ 17.97

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1.00ct Orange Citrine, Heart, VS

7 x 7 mm (calibrated)

$ 8.30

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1.09ct Red Spinel, Cushion, VS

5.9 x 5.2 mm

$ 117.61

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2.10ctw Yellow Color-Change Diaspore, Cushion, VVS

10.8 x 3.8 mm

$ 108.13

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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 was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
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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
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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
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Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
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Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
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Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
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