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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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For Example: 6-7
For Example: 8-9
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Black 1 ct Gemstones
Blue 1 ct Gemstones
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Green 1 ct Gemstones
Multicolor 1 ct Gemstones
Orange 1 ct Gemstones
Pink 1 ct Gemstones
Purple 1 ct Gemstones
Red 1 ct Gemstones
Turquoise 1 ct Gemstones
Violet 1 ct Gemstones
White 1 ct Gemstones
Yellow 1 ct Gemstones
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2.14ctw Orange Moonstone, Cushion, Opaque

2.14ctw Orange Moonstone, Cushion, Opaque

6 x 6 mm (calibrated)

$ 4.69

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1.05ct Orange Hessonite Garnet, Oval, VVS-VS

1.05ct Orange Hessonite Garnet, Oval, VVS-VS

7 x 5.3 mm

$ 16.04

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2.08ctw Multicolor Opal, Oval, Opaque

2.08ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 62.15

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1.05ct Gray Sillimanite Cat'S Eye, Oval, Transparent

1.05ct Gray Sillimanite Cat'S Eye, Oval, Transparent

6.7 x 5.1 mm

$ 4.18

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2.14ctw Multicolor Mystic Quartz, Trillion, VVS-VS

2.14ctw Multicolor Mystic Quartz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 12.79

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1.05ct Blue Kyanite, Oval, SI

1.05ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 26.15

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1.04ct Blue Kyanite, Oval, VS-SI

1.04ct Blue Kyanite, Oval, VS-SI

7 x 5 mm (calibrated)

$ 22.79

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1.03ct Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

1.03ct Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

6 x 6 mm (calibrated)

$ 31.59

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2.17ctw Orange Moonstone, Cushion, Translucent

2.17ctw Orange Moonstone, Cushion, Translucent

6 x 6 mm (calibrated)

$ 4.32

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1.03ct Pink Morganite, Pear Shape, VS

1.03ct Pink Morganite, Pear Shape, VS

10.2 x 5.7 mm

$ 102.59

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1.01ct Yellow Color-Change Diaspore, Cushion, VVS

1.01ct Yellow Color-Change Diaspore, Cushion, VVS

10.9 x 3.8 mm

$ 35.41

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1.01ct Orange Hessonite Garnet, Pear Shape, SI

1.01ct Orange Hessonite Garnet, Pear Shape, SI

8 x 5.7 mm

$ 22.13

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1.09ct Yellow Zircon, Oval, VS

1.09ct Yellow Zircon, Oval, VS

6 x 4.8 mm

$ 16.28

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1.02ct Purple Rhodolite Garnet, Oval, VS

1.02ct Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 27.09

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1.07ct Green Sphene, Oval, VS
Sphene Product Video (510774)

1.07ct Green Sphene, Oval, VS

8 x 5 mm (calibrated)

$ 50.41

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1.05ct Yellow Color-Change Diaspore, Cushion, VS-SI

1.05ct Yellow Color-Change Diaspore, Cushion, VS-SI

8.9 x 5.4 mm

$ 42.84

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4.00ctw Blue Star Sapphire, Oval, Opaque

4.00ctw Blue Star Sapphire, Oval, Opaque

7 x 5.2 mm

$ 87.65

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1.09ct Pink Tourmaline, Emerald Cut, VS

1.09ct Pink Tourmaline, Emerald Cut, VS

9 x 4.2 mm

$ 78.82

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2.05ctw Red Rubies, Oval, VS

2.05ctw Red Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 204.18

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2.17ctw White Zircon, Oval, VVS-VS

2.17ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 12.89

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1.00ct Yellow Citrine, Marquise, VS

1.00ct Yellow Citrine, Marquise, VS

9.2 x 5 mm

$ 7.97

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2.00ctw White Sillimanite Cat'S Eye, Oval, Transparent

2.00ctw White Sillimanite Cat'S Eye, Oval, Transparent

7.3 x 5 mm

$ 6.57

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4.06ctw White Zircon, Oval, VVS-VS

4.06ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 24.24

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1.00ct Purple Spinel, Oval, VS

1.00ct Purple Spinel, Oval, VS

6.4 x 4.9 mm

$ 70.55

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

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026
Source: Bizrate
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