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

1.06ct Bubblegum Pink Spinel, Cushion, VS

6.9 x 5.3 mm

$ 95.40

View Details

1.05ct Bright Gold Citrine, Square, VVS

6 x 6 mm (calibrated)

$ 8.82

View Details

1.02ct Reddish Orange Hessonite Garnet, Baguette, VS

6.3 x 4.1 mm

$ 23.21

View Details

2.06ctw Tuscany Yellow Golden Beryl, Oval, VS

8 x 6 mm (calibrated)

$ 67.98

View Details

1.02ct Swiss Blue Topaz, Pear Shape, VS

7.1 x 5.2 mm

$ 9.42

View Details

1.02ct Dark Red Ruby, Oval, SI

7 x 5 mm (calibrated)

$ 902.11

View Details

1.00ct Multicolor Opal, Pear Shape, Transparent

9.2 x 6.4 mm

$ 30.00

View Details

1.06ct Light Gold Beryl, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 25.44

View Details

1.06ct Light Yellow Color-Change Diaspore, Emerald Cut, VVS-VS

7.7 x 3.8 mm

$ 67.42

View Details

2.12ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 5.09

View Details

5.43ctw Light Pink Malaya Garnet, Cushion, VVS-VS

7 x 5 mm (calibrated)

$ 228.06

View Details

1.08ct Pistachio Green Emerald, Oval, Translucent

6.9 x 5.9 mm

$ 90.72

View Details

1.03ct Light Yellow Color-Change Diaspore, Emerald Cut, VS

7.8 x 4.7 mm

$ 66.73

View Details

1.02ct Orange Pink Tourmaline, Emerald Cut, VS-SI

9.6 x 3.8 mm

$ 92.90

View Details

1.05ct Light-Medium Violet Amethyst, Marquise, VS

10 x 5 mm (calibrated)

$ 8.40

View Details

2.18ctw Light Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 43.54

View Details

1.08ct Deep Scarlet Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 34.56

View Details

4.25ctw Sky Blue Topaz, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 28.10

View Details

1.07ct Light Golden-Yellow Citrine, Round, VVS-VS

7 mm (calibrated)

$ 8.56

View Details

1.08ct Medium Green Tourmaline, Baguette, VVS-VS

9.7 x 3.5 mm

$ 45.36

View Details

2.07ctw Swiss Blue Topaz, Fancy, VS

7 x 5 mm (calibrated)

$ 13.67

View Details

1.06ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 38.16

View Details

2.15ctw Dark Red Pyrope Garnet, Marquise, VVS-VS

10.1 x 5.2 mm

$ 22.70

View Details

1.03ct Pink Berry Purple Rhodolite Garnet, Oval, VS

6.1 x 5.1 mm

$ 43.26

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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate
Enlarged Gemstone Image