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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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
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Black 1 ct Gemstones
Blue 1 ct Gemstones
Brown 1 ct Gemstones
Golden 1 ct Gemstones
Gray 1 ct Gemstones
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
Single
Pairs
Lots
Faceted
Cabochons
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2.06ctw Multicolor Labradorite, Round, Translucent

2.06ctw Multicolor Labradorite, Round, Translucent

6.5 mm (calibrated)

$ 2.46

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4.11ctw Yellow Sillimanite, Oval, VS

4.11ctw Yellow Sillimanite, Oval, VS

8 x 6 mm (calibrated)

$ 157.61

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1.09ct Red Ruby, Round, VS

1.09ct Red Ruby, Round, VS

5.8 mm

$ 97.71

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1.09ct Red Rhodolite Garnet, Emerald Cut, VS

1.09ct Red Rhodolite Garnet, Emerald Cut, VS

6.1 x 4.5 mm

$ 49.05

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2.17ctw White Sillimanite Cat'S Eye, Oval, Translucent

2.17ctw White Sillimanite Cat'S Eye, Oval, Translucent

7.3 x 4.6 mm

$ 7.13

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1.03ct Purple Spinel, Heart, VS

1.03ct Purple Spinel, Heart, VS

6 x 5.5 mm

$ 123.60

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

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

8 x 4.4 mm

$ 52.31

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1.00ct Purple Spinel, Pear Shape, VS

1.00ct Purple Spinel, Pear Shape, VS

7.3 x 5.4 mm

$ 98.60

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2.03ctw Brown Color-Change Garnet, Oval, VS

2.03ctw Brown Color-Change Garnet, Oval, VS

6.3 x 4.9 mm

$ 162.18

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1.01ct Multicolor Black Opal, Oval, Translucent

1.01ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.20

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2.15ctw Blue Topaz, Fancy, VS

2.15ctw Blue Topaz, Fancy, VS

7.2 x 5.2 mm

$ 11.79

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2.15ctw White Zircon, Oval, VS

2.15ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 12.84

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1.08ct Pink Tourmaline, Emerald Cut, VVS-VS

1.08ct Pink Tourmaline, Emerald Cut, VVS-VS

7.6 x 4.5 mm

$ 78.09

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1.07ct Red Rhodolite Garnet, Oval, VS-SI

1.07ct Red Rhodolite Garnet, Oval, VS-SI

7 x 5 mm (calibrated)

$ 28.42

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1.02ct Orange Zircon, Oval, VS

1.02ct Orange Zircon, Oval, VS

6.2 x 5 mm

$ 15.24

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1.00ct Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

1.00ct Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

6.6 x 5.2 mm

$ 30.68

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2.16ctw White Zircon, Oval, VS

2.16ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 12.83

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1.06ct Green Tourmaline, Emerald Cut, VVS-VS
Tourmaline Product Video (730488)

1.06ct Green Tourmaline, Emerald Cut, VVS-VS

7.4 x 4.3 mm

$ 52.79

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1.08ct Purple Rhodolite Garnet, Oval, VS

1.08ct Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 28.68

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1.04ct Red Ruby, Pear Shape, VS-SI
Ruby Product Video (569919)

1.04ct Red Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 763.43

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1.05ct Orange Sunstone, Oval, Translucent

1.05ct Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 7.32

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2.07ctw Blue Topaz, Oval, VS

2.07ctw Blue Topaz, Oval, VS

7 x 5 mm (calibrated)

$ 23.74

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1.02ct Red Ruby, Oval, VS-SI
Ruby Product Video (567363)

1.02ct Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 651.88

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1.07ct Multicolor Black Opal, Round, Opaque

1.07ct Multicolor Black Opal, Round, Opaque

8.5 mm (calibrated)

$ 27.03

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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 -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
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Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
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Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
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Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
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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

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate
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