X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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
Bi-color
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
Pairs
Lots
Faceted
Cabochons
Clear All

2.07ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 14.89

View Details

1.05ct Medium Light Brown Color-Change Garnet, Cushion, VS

5.6 x 5.6 mm

$ 101.06

View Details

2.15ctw White Zircon, Oval, VS

7 x 5 mm (calibrated)

$ 15.47

View Details

1.03ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 30.90

View Details

1.05ct Deep Pink Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 21.68

View Details

2.05ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.92

View Details

1.02ct Deep Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 32.64

View Details

1.06ct Dark Green Tourmaline, Baguette, VVS

8.8 x 4.4 mm

$ 44.52

View Details

1.09ct Reddish Pink Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 402.86

View Details

1.09ct Yellow Green Color-Change Diaspore, Cushion, VS

6.7 x 5.9 mm

$ 68.72

View Details

1.07ct Gold Citrine, Cushion, VVS

8 x 6 mm (calibrated)

$ 9.63

View Details

2.02ctw Deep Red Pyrope Garnet, Marquise, VVS

10 x 5 mm

$ 21.34

View Details

1.02ct Lively Green Sphene, Oval, Transparent

6.4 x 5.5 mm

$ 6.12

View Details

2.07ctw Jam Red Rubies, Pear Shape, VS

7 x 5 mm (calibrated)

$ 223.56

View Details

1.03ct Medium Golden Brown Sphene, Oval, Transparent

6.5 x 5.5 mm

$ 6.18

View Details

1.09ct Light Lively Green Peridot, Cushion, VS

8 x 6 mm (calibrated)

$ 21.59

View Details

1.09ct Black Diamond, Square, Opaque

4.6 x 4.4 mm

$ 748.13

View Details

4.08ctw White Zircon, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 29.18

View Details

2.16ctw White Zircon, Oval, VVS

7 x 5 mm (calibrated)

$ 15.46

View Details

1.07ct Medium Red Ruby, Oval, VS-SI

7 x 5 mm (calibrated)

$ 823.90

View Details

2.17ctw Swiss Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 14.33

View Details

1.08ct Lime Green Sphene, Oval, Transparent

5.9 x 5.4 mm

$ 6.48

View Details

1.00ct Lively Green Peridot, Oval, VVS-VS

7.7 x 5.5 mm

$ 10.80

View Details

1.03ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.08

View Details

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

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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

Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate
Enlarged Gemstone Image