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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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Multicolor 1 ct Gemstones
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Yellow 1 ct Gemstones
Single
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Lots
Faceted
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1.09ct Medium Pink Spinel, Cushion, VS
Spinel Product Video (749023)

1.09ct Medium Pink Spinel, Cushion, VS

6 x 6 mm (calibrated)

$ 98.10

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1.09ct Multicolor Opal, Oval, Opaque

1.09ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.24

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1.03ct Medium Purple Rhodolite Garnet, Oval, VS

1.03ct Medium Purple Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 32.96

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1.09ct Dark Blue Kyanite, Round, SI

1.09ct Dark Blue Kyanite, Round, SI

6 mm (calibrated)

$ 32.70

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1.04ct Deep Orange Hessonite Garnet, Round, VS

1.04ct Deep Orange Hessonite Garnet, Round, VS

6 mm (calibrated)

$ 19.14

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1.05ct Dark Brown Axinite, Pear Shape, SI

1.05ct Dark Brown Axinite, Pear Shape, SI

8.4 x 5.6 mm

$ 37.04

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2.00ctw Sky Blue Topaz, Fancy, VVS-VS

2.00ctw Sky Blue Topaz, Fancy, VVS-VS

7 x 5 mm (calibrated)

$ 13.20

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1.06ct Pale Yellowish Green Tourmaline, Oval, Transparent

1.06ct Pale Yellowish Green Tourmaline, Oval, Transparent

7.6 x 5.7 mm

$ 21.17

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1.05ct Orange-Gold Citrine, Emerald Cut, VVS-VS

1.05ct Orange-Gold Citrine, Emerald Cut, VVS-VS

7.7 x 5.9 mm

$ 10.08

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2.09ctw White Zircon, Oval, VVS-VS

2.09ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 14.93

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1.01ct Bright Gold Citrine, Trillion, VS

1.01ct Bright Gold Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 9.34

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1.07ct Navy Blue Kyanite, Oval, SI

1.07ct Navy Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 32.10

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1.00ct Multicolor Black Opal, Square, Opaque

1.00ct Multicolor Black Opal, Square, Opaque

6.6 x 6.5 mm

$ 30.89

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1.02ct Very Light Pink Morganite, Round, VS

1.02ct Very Light Pink Morganite, Round, VS

6.5 mm (calibrated)

$ 47.74

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2.12ctw Multicolor Mystic Quartz, Pear Shape, VVS

2.12ctw Multicolor Mystic Quartz, Pear Shape, VVS

8 x 6 mm (calibrated)

$ 17.81

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4.08ctw Sky Blue Topaz, Oval, VVS-VS

4.08ctw Sky Blue Topaz, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 26.98

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2.17ctw Dark Orange-Gold Citrine, Pear Shape, VVS-VS

2.17ctw Dark Orange-Gold Citrine, Pear Shape, VVS-VS

9 x 6 mm (calibrated)

$ 14.33

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2.02ctw Swiss Blue Topaz, Fancy, VVS-VS

2.02ctw Swiss Blue Topaz, Fancy, VVS-VS

7 x 5 mm (calibrated)

$ 13.33

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1.06ct Reddish Pink Ruby, Pear Shape, VS-SI
Ruby Product Video (569923)

1.06ct Reddish Pink Ruby, Pear Shape, VS-SI

7 x 5 mm (calibrated)

$ 781.24

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2.09ctw Salmon Pink Morganite, Oval, VS

2.09ctw Salmon Pink Morganite, Oval, VS

8 x 6 mm (calibrated)

$ 137.94

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1.02ct Multicolor Opal, Oval, Translucent

1.02ct Multicolor Opal, Oval, Translucent

8.3 x 6.3 mm

$ 33.66

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1.02ct Deep Blue Kyanite, Oval, SI

1.02ct Deep Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 30.60

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1.05ct Light Yellow Brown Sillimanite Cat's Eye, Oval, Transparent

1.05ct Light Yellow Brown Sillimanite Cat's Eye, Oval, Transparent

7 x 5 mm (calibrated)

$ 3.78

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1.00ct Blue-Green Sapphire, Briolette, VS

1.00ct Blue-Green Sapphire, Briolette, VS

5.9 x 4.4 mm

$ 108.00

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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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 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

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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