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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

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Black 1 ct Gemstones
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Multicolor 1 ct Gemstones
Orange 1 ct Gemstones
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Violet 1 ct Gemstones
White 1 ct Gemstones
Yellow 1 ct Gemstones
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1.04ct Multicolor Sapphire, Trillion, VS-SI

6.3 x 6 mm

$ 99.84

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1.01ct Light Yellow Color-Change Diaspore, Emerald Cut, VS

6.7 x 4.7 mm

$ 63.59

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2.05ctw Sangria Red Pyrope Garnet, Marquise, VVS-VS

9.9 x 5 mm

$ 21.65

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4.06ctw Sky Blue Topaz, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 26.84

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2.16ctw Navy Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 49.25

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2.05ctw Light Yellow Quartz, Flower Cut, Transparent

7.5 x 7.5 mm

$ 8.12

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1.08ct Medium Purple Spinel, Cushion, VVS

6.7 x 5.6 mm

$ 71.28

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2.16ctw Bluish White Rainbow Moonstone, Oval, Transparent

7 x 6 mm

$ 85.56

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4.04ctw Clear White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 28.91

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2.00ctw Medium Yellow Quartz, Flower Cut, Transparent

7.6 x 7.3 mm

$ 9.24

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1.06ct Light Yellow Color-Change Diaspore, Cushion, VS

6.6 x 5.3 mm

$ 66.83

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5.30ctw Deep Pinkish Violet Amethyst, Fancy, VS

9 x 4.6 mm

$ 34.98

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1.03ct Orange Pink Tourmaline, Emerald Cut, VVS-VS

8.2 x 3.7 mm

$ 93.82

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2.06ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 14.70

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1.07ct Light Pink Morganite, Round, VS

7 mm (calibrated)

$ 50.08

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4.00ctw Swiss Blue Topaz, Oval, Transparent

7 x 5 mm (calibrated)

$ 36.96

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1.04ct Medium Green Sphene, Oval, Transparent

6 x 6 mm (calibrated)

$ 6.24

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2.03ctw Medium Dark-Orange Zircon, Oval, VVS

6.1 x 4.8 mm

$ 60.90

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2.06ctw Multicolor Labradorite, Round, Translucent

6.5 mm (calibrated)

$ 2.96

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1.05ct Light Yellow Color-Change Diaspore, Pear Shape, VVS-VS

11 x 4.3 mm

$ 44.35

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1.01ct Medium Purple Rhodolite Garnet, Oval, VS-SI

7 x 5 mm (calibrated)

$ 32.32

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1.08ct Lively Green Peridot, Oval, VS

8 x 6 mm (calibrated)

$ 11.66

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1.01ct Medium Orange Sapphire, Round, VVS

5.7 mm

$ 218.16

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1.09ct Deep Blue Kyanite, Round, SI

6 mm (calibrated)

$ 32.70

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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 surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
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 -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs 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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