90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
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
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 Green Chrysoberyl, Oval, VVS

6.6 x 5.5 mm

$ 103.00

View Gem

2.00ctw White Sillimanite Cat'S Eye, Oval, Transparent

7.3 x 5 mm

$ 6.57

View Gem

1.02ct Orange Hessonite Garnet, Oval, VS

7.2 x 5.8 mm

$ 19.31

View Gem

4.12ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 65.09

View Gem

1.01ct Yellow Beryl, Oval, VVS

8 x 6 mm (calibrated)

$ 20.12

View Gem

1.01ct Green Peridot, Emerald Cut, VS

7 x 5 mm (calibrated)

$ 15.09

View Gem

4.18ctw White Zircon, Round, VVS-VS

6 mm (calibrated)

$ 66.27

View Gem

1.00ct Violet Spinel, Oval, VS-SI

6.9 x 5.7 mm

$ 103.02

View Gem

1.08ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 17.89

View Gem

1.05ct Orange Zircon, Oval, VS

5.9 x 4.9 mm

$ 15.69

View Gem

4.05ctw Blue Topaz, Oval, Transparent

7 x 5 mm (calibrated)

$ 31.07

View Gem

1.03ct Orange Moonstone, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 2.05

View Gem

1.08ct Purple Spinel, Cushion, VS

5.9 x 5.2 mm

$ 129.08

View Gem

1.00ct Purple Spinel, Oval, VS

6.4 x 4.9 mm

$ 70.55

View Gem

1.04ct Blue Kyanite, Oval, VS

7 x 5 mm (calibrated)

$ 25.90

View Gem

1.02ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 46.93

View Gem

4.24ctw Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 83.61

View Gem

1.07ct Yellow Chrysoberyl, Oval, VVS

7 x 5 mm (calibrated)

$ 123.81

View Gem

1.04ct Pink Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 93.23

View Gem

1.05ct Red Rhodolite Garnet, Oval, VS

7 x 5 mm (calibrated)

$ 27.89

View Gem

1.07ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 33.66

View Gem

1.02ct Yellow Citrine, Marquise, VS

9.2 x 5 mm

$ 5.59

View Gem

1.05ct Violet Spinel, Oval, VS-SI

6.7 x 5.6 mm

$ 108.17

View Gem

1.03ct Gray Sillimanite Cat'S Eye, Oval, Transparent

7.3 x 4.7 mm

$ 3.22

View Gem

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

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
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 -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate
Enlarged Gemstone Image