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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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1.00ct Gray Cat'S Eye Alexandrite, Oval, Opaque

1.00ct Gray Cat'S Eye Alexandrite, Oval, Opaque

4.5 x 6.6 mm

$ 207.50

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4.29ctw Blue Star Sapphire, Oval, Opaque

4.29ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 84.60

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1.01ct Red Ruby, Round, VS
Ruby Product Video (740193)

1.01ct Red Ruby, Round, VS

5.5 mm (calibrated)

$ 273.15

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1.08ct Violet Amethyst, Marquise, VS

1.08ct Violet Amethyst, Marquise, VS

10 x 5 mm (calibrated)

$ 7.17

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2.10ctw Black Onyx, Round, Opaque

2.10ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.18

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1.05ct Red Rhodolite Garnet, Oval, VS

1.05ct Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 27.89

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2.09ctw Multicolor Mystic Quartz, Pear Shape, VVS

2.09ctw Multicolor Mystic Quartz, Pear Shape, VVS

8 x 6 mm (calibrated)

$ 14.57

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1.05ct Green Tourmaline, Emerald Cut, VVS-VS

1.05ct Green Tourmaline, Emerald Cut, VVS-VS

15.7 x 3 mm

$ 22.41

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2.02ctw Multicolor Opal, Oval, Opaque

2.02ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 66.39

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1.00ct Green Tourmaline, Round, Transparent

1.00ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 17.14

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1.05ct Green Peridot, Cushion, VS

1.05ct Green Peridot, Cushion, VS

7 x 5 mm (calibrated)

$ 18.82

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2.18ctw White Zircon, Oval, VS

2.18ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 12.91

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1.03ct Yellow Citrine, Trillion, VVS

1.03ct Yellow Citrine, Trillion, VVS

7 x 7 mm (calibrated)

$ 8.21

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1.03ct Red Rhodolite Garnet, Oval, VS-SI

1.03ct Red Rhodolite Garnet, Oval, VS-SI

6.7 x 5.1 mm

$ 27.36

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1.07ct White Rainbow Moonstone, Oval, Transparent

1.07ct White Rainbow Moonstone, Oval, Transparent

8 x 6 mm (calibrated)

$ 34.10

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1.00ct Purple Ruby, Round, VS-SI
Ruby Product Video (538217)

1.00ct Purple Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 343.69

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2.00ctw Yellow Citrine, Trillion, VS

2.00ctw Yellow Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 10.96

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1.03ct Multicolor Opal, Oval, Opaque

1.03ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 30.78

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1.02ct Pink Malaya Garnet, Round, VS

1.02ct Pink Malaya Garnet, Round, VS

5.5 mm (calibrated)

$ 47.50

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1.00ct Blue Kyanite, Oval, VS-SI

1.00ct Blue Kyanite, Oval, VS-SI

7.1 x 5.2 mm

$ 21.91

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1.09ct Blue Kyanite, Oval, SI

1.09ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 23.89

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1.07ct Pink Tourmaline, Emerald Cut, VVS-VS

1.07ct Pink Tourmaline, Emerald Cut, VVS-VS

9.4 x 4.2 mm

$ 77.37

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2.14ctw Pink Tourmaline, Round, Translucent

2.14ctw Pink Tourmaline, Round, Translucent

6 mm (calibrated)

$ 35.47

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1.06ct Multicolor Opal, Emerald Cut, Transparent

1.06ct Multicolor Opal, Emerald Cut, Transparent

11.4 x 5.7 mm

$ 47.51

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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 every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
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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