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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

Size Explained

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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
Orange 1 ct Gemstones
Pink 1 ct Gemstones
Purple 1 ct Gemstones
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Turquoise 1 ct Gemstones
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White 1 ct Gemstones
Yellow 1 ct Gemstones
Single
Pairs
Lots
Faceted
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2.17ctw White Rainbow Moonstone, Oval, Translucent

7.1 x 6 mm

$ 51.22

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1.06ct Yellow Sapphire, Round, VVS

5.5 mm (calibrated)

$ 251.86

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1.08ct Green Tourmaline, Emerald Cut, VVS-VS

19.5 x 2.8 mm

$ 31.37

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1.07ct Orange Hessonite Garnet, Baguette, VS

6.6 x 4.7 mm

$ 24.36

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1.03ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 28.98

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1.04ct Orange Zircon, Oval, VS

5.9 x 4.8 mm

$ 31.20

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2.04ctw White Sillimanite Cat's Eye, Oval, Translucent

7.5 x 4.6 mm

$ 9.74

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1.07ct Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 21.36

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1.06ct Brown Color-Change Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 102.02

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2.04ctw Orange Moonstone, Trillion, Translucent

6.3 x 6.2 mm

$ 4.92

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2.08ctw White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 14.86

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1.00ct Orange Sunstone, Oval, Translucent

8 x 6 mm (calibrated)

$ 7.00

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1.09ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 32.70

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1.01ct Green Tourmaline, Emerald Cut, VVS

5.7 x 5.3 mm

$ 60.60

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1.07ct Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 44.94

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1.05ct White Sillimanite Cat's Eye, Oval, Transparent

6 x 6 mm (calibrated)

$ 4.86

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1.06ct Yellow Sapphire, Round, VVS

5.5 mm (calibrated)

$ 251.86

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2.09ctw Yellow Beryl, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 62.70

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1.03ct Green Peridot, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 19.78

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1.06ct Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 21.17

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3.19ctw Orange Zircon, Emerald Cut, VS

6.2 x 4.2 mm

$ 63.17

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1.02ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 30.60

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1.04ct Yellow Citrine, Cushion, VVS

8 x 6 mm (calibrated)

$ 9.36

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1.07ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 612.00

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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

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate
Enlarged Gemstone Image