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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
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1.01ct Purple Rhodolite Garnet, Oval, VS-SI

1.01ct Purple Rhodolite Garnet, Oval, VS-SI

7 x 5 mm (calibrated)

$ 26.83

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2.12ctw Multicolor Black Opal, Oval, Translucent

2.12ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 69.68

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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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1.07ct Purple Sapphire, Cushion, VVS-VS
Sapphire Product Video (461342)

1.07ct Purple Sapphire, Cushion, VVS-VS

7 x 5 mm (calibrated)

$ 351.69

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1.04ct Green Sphene, Oval, Transparent

1.04ct Green Sphene, Oval, Transparent

6.8 x 6 mm

$ 5.18

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1.07ct Orange Zircon, Oval, VVS-VS

1.07ct Orange Zircon, Oval, VVS-VS

6 x 4.8 mm

$ 26.64

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1.04ct Red Rhodolite Garnet, Oval, VS

1.04ct Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 27.62

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1.07ct Multicolor Opal, Oval, Translucent

1.07ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 49.24

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2.08ctw Orange Sunstone, Round, Transparent

2.08ctw Orange Sunstone, Round, Transparent

7 mm (calibrated)

$ 31.91

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5.19ctw Violet Amethyst, Fancy, VS

5.19ctw Violet Amethyst, Fancy, VS

9.1 x 4.5 mm

$ 28.43

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2.13ctw Blue Topaz, Marquise, VVS-VS

2.13ctw Blue Topaz, Marquise, VVS-VS

10.1 x 5.1 mm

$ 16.33

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1.05ct Orange Hessonite Garnet, Cushion, SI

1.05ct Orange Hessonite Garnet, Cushion, SI

5 x 5 mm (calibrated)

$ 20.71

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5.27ctw Purple Rhodolite Garnet, Oval, VS

5.27ctw Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 112.07

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5.06ctw Yellow Citrine, Heart, VS

5.06ctw Yellow Citrine, Heart, VS

7 x 7 mm (calibrated)

$ 33.27

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1.07ct Yellow Color-Change Diaspore, Marquise, VS

1.07ct Yellow Color-Change Diaspore, Marquise, VS

11.2 x 4.7 mm

$ 57.01

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1.09ct Blue Kyanite, Oval, SI

1.09ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 27.14

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2.16ctw Red Pyrope Garnet, Marquise, VVS-VS

2.16ctw Red Pyrope Garnet, Marquise, VVS-VS

9.9 x 5.1 mm

$ 18.93

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1.01ct Blue Kyanite, Oval, SI

1.01ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 25.15

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1.09ct Orange Hessonite Garnet, Baguette, VS

1.09ct Orange Hessonite Garnet, Baguette, VS

6.6 x 4.5 mm

$ 20.58

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1.07ct Orange Hessonite Garnet, Emerald Cut, VS

1.07ct Orange Hessonite Garnet, Emerald Cut, VS

6.5 x 5.2 mm

$ 15.92

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1.00ct Multicolor Black Opal, Square, Opaque

1.00ct Multicolor Black Opal, Square, Opaque

6.6 x 6.5 mm

$ 25.64

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1.02ct Blue Topaz, Pear Shape, VS

1.02ct Blue Topaz, Pear Shape, VS

7.1 x 5.2 mm

$ 7.82

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1.02ct Orange Zircon, Oval, VS

1.02ct Orange Zircon, Oval, VS

5.9 x 4.9 mm

$ 15.24

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1.06ct Gray Sillimanite Cat'S Eye, Oval, Transparent

1.06ct Gray Sillimanite Cat'S Eye, Oval, Transparent

7.6 x 5.4 mm

$ 3.34

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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 -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

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
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

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
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