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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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For Example: 6-7
For Example: 8-9
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Black 1 ct Gemstones
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Green 1 ct Gemstones
Multicolor 1 ct Gemstones
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White 1 ct Gemstones
Yellow 1 ct Gemstones
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Lots
Faceted
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1.03ct Green Tourmaline, Emerald Cut, VVS-VS

14.9 x 3.3 mm

$ 29.92

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1.09ct Black Diamond, Square, Opaque

4.6 x 4.4 mm

$ 748.13

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2.12ctw Red Rubies, Oval, VS

7 x 5 mm (calibrated)

$ 254.40

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2.09ctw White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 14.93

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1.00ct Blue Sapphire, Briolette, VS

6.2 x 4.2 mm

$ 108.00

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1.08ct Green Chrome Diopside, Marquise, VS

10 x 5 mm (calibrated)

$ 27.00

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1.05ct Red Ruby, Emerald Cut, VS

6 x 4.3 mm

$ 113.40

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1.01ct Yellow Chrysoberyl, Oval, VVS

7 x 5 mm (calibrated)

$ 140.95

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1.09ct Red Ruby, Round, VS

5.8 mm

$ 117.72

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1.04ct Black Diamond, Square, Opaque

4.7 x 4.6 mm

$ 713.81

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1.09ct Yellow Sapphire, Oval, VS-SI

7.2 x 5.5 mm

$ 55.32

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2.09ctw Red Pyrope Garnet, Marquise, VVS-VS

10 x 5 mm

$ 22.07

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2.00ctw Blue Kyanite, Oval, VS

7 x 5 mm (calibrated)

$ 50.16

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1.09ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 57.55

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1.02ct Yellow Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 7.67

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2.12ctw Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 13.99

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2.10ctw Blue Topaz, Oval, Transparent

7 x 5 mm (calibrated)

$ 19.40

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1.01ct Purple Spinel, Cushion, VS

5.7 x 5.7 mm

$ 145.44

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1.05ct Multicolor Opal, Oval, Transparent

9.3 x 7.3 mm

$ 31.50

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1.09ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 402.86

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1.03ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.08

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2.15ctw Yellow Citrine, Square, VS

6 x 6 mm (calibrated)

$ 18.06

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1.00ct Green Sapphire, Cushion, VVS-VS

7 x 5 mm (calibrated)

$ 96.00

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1.06ct Orange Citrine, Heart, VS

7 x 7 mm (calibrated)

$ 10.60

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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

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate
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