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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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Black 1 ct Gemstones
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Yellow 1 ct Gemstones
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1.09ct Red Rhodolite Garnet, Emerald Cut, VS

6.2 x 4.9 mm

$ 40.71

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1.05ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 31.37

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2.03ctw Yellow Quartz, Flower Cut, Transparent

8 x 8 mm (calibrated)

$ 6.67

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1.09ct Blue Kyanite, Round, SI

6 mm (calibrated)

$ 27.14

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1.06ct Yellow Color-Change Diaspore, Oval, VS

6.9 x 5.5 mm

$ 56.49

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2.09ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 12.39

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3.99ctw Brown Moonstone, Flower Cut, Translucent

7.6 x 7.5 mm

$ 17.49

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2.10ctw Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 11.50

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1.00ct Orange Hessonite Garnet, Cushion, VS

5.8 x 5.7 mm

$ 18.92

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2.03ctw Yellow Citrine, Round, VS

7 mm (calibrated)

$ 13.48

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1.06ct Blue Kyanite, Oval, VS

7 x 5 mm (calibrated)

$ 22.06

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2.12ctw Multicolor Mystic Quartz, Pear Shape, VVS

8 x 6 mm (calibrated)

$ 14.78

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4.23ctw Green Peridot, Square, VVS-VS

6 x 6 mm (calibrated)

$ 74.01

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4.08ctw White Sillimanite Cat'S Eye, Oval, Translucent

7 x 5 mm (calibrated)

$ 16.19

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1.08ct Yellow Color-Change Diaspore, Baguette, VVS-VS

11.7 x 3.6 mm

$ 57.01

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1.00ct Multicolor Opal, Pear Shape, Transparent

9.2 x 6.4 mm

$ 24.90

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1.09ct Pink Tourmaline, Emerald Cut, VS

9 x 4.2 mm

$ 78.82

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1.06ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 52.59

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2.04ctw Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 11.17

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2.16ctw Orange Sunstone, Round, Translucent

7 mm (calibrated)

$ 33.13

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4.34ctw Green Peridot, Square, VVS-VS

6 x 6 mm (calibrated)

$ 75.94

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

7.8 x 4.8 mm

$ 55.98

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1.03ct Purple Spinel, Cushion, VVS-VS

6 x 6 mm (calibrated)

$ 62.07

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1.08ct Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 7.53

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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

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate
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