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 3 ct Gemstones

3 Carat Loose Gemstones

Browse our selection of natural 3 carat gemstones, perfect for fine jewelry and investment pieces.

3 ct Gemstones Weight
3 ct Gemstones Size
3 ct Gemstones Clarity
3 ct Gemstones Price
3 ct Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color 3 ct Gemstones
Black 3 ct Gemstones
Blue 3 ct Gemstones
Brown 3 ct Gemstones
Golden 3 ct Gemstones
Gray
Green 3 ct Gemstones
Multicolor 3 ct Gemstones
Orange 3 ct Gemstones
Pink 3 ct Gemstones
Purple 3 ct Gemstones
Red 3 ct Gemstones
Turquoise 3 ct Gemstones
Violet 3 ct Gemstones
White 3 ct Gemstones
Yellow 3 ct Gemstones
Single
Pairs
Lots
Faceted
Cabochons
Clear All

3.48ct Brown Tiger'S Eye, Pear Shape, Opaque

10 x 10 mm (calibrated)

$ 4.50

View Gem

3.09ct Turquoise Grandidierite, Oval, Translucent

9.6 x 7.4 mm

$ 169.27

View Gem

3.14ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.63

View Gem

3.16ct Red Star Ruby, Oval, Opaque

10.6 x 8.1 mm

$ 50.36

View Gem

3.31ct Multicolor Ruby In Fuchsite, Marquise, Translucent

20.2 x 8 mm

$ 24.44

View Gem

3.35ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.36

View Gem

3.27ct Yellow Citrine, Square, VS

8.7 x 8.5 mm

$ 17.92

View Gem

3.02ct Orange Andesine Labradorite, Cushion, Transparent

12.5 x 7.4 mm

$ 37.60

View Gem

3.48ct Blue Aquamarine, Pear Shape, Translucent

13 x 9 mm (calibrated)

$ 72.21

View Gem

3.36ct White Moonstone, Round, Translucent

9 mm (calibrated)

$ 9.20

View Gem

3.05ct Red Star Ruby, Oval, Opaque

8.8 x 7.9 mm

$ 48.60

View Gem

3.22ct Blue Tanzanite, Oval, Transparent

9 x 7 mm (calibrated)

$ 27.87

View Gem

3.25ct White Moonstone, Oval, Translucent

11.9 x 8.6 mm

$ 35.61

View Gem

3.48ct Multicolor Opal, Oval, Transparent

13.3 x 10.3 mm

$ 87.49

View Gem

3.44ct Red Andesine Labradorite, Cushion, Transparent

12 x 8.5 mm

$ 42.83

View Gem

3.46ct Blue Chalcedony, Oval, Transparent

11 x 9 mm (calibrated)

$ 6.89

View Gem

3.21ct Yellow Citrine, Oval, VVS

13 x 9 mm (calibrated)

$ 19.46

View Gem

3.31ct Blue Topaz, Marquise, VS

15 x 7.2 mm

$ 25.39

View Gem

3.40ct Red Andesine Labradorite, Round, Transparent

10 mm (calibrated)

$ 42.33

View Gem

3.29ct Pink Rose Quartz, Emerald Cut, Transparent

9 x 9 mm (calibrated)

$ 18.03

View Gem

3.18ct Orange Andesine Labradorite, Pear Shape, Transparent

13.6 x 8.3 mm

$ 39.59

View Gem

3.11ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 21.68

View Gem

3.05ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 7.7 mm

$ 25.32

View Gem

Why Buy 3 Ct Gemstones from GemSelect?

Natural 3 Carat Gemstones

Our 3 carat gemstones are 100% natural and carefully selected for quality, color, and clarity, making them ideal for standout jewelry designs.

3 Carat Loose Gemstones for Sale

Explore a wide range of 3 carat loose gemstones available in popular varieties such as sapphire, ruby, tourmaline, and more, all ready for custom settings.

3 Carat Loose Gemstones for Jewelry

Best Uses for 3 Carat Gems

3 carat gems are ideal for statement rings, pendants, and high-end jewelry pieces, offering a noticeable size without becoming impractical for daily wear.

Faceted and Cabochon Options

Choose from faceted 3ct gemstones for brilliance and sparkle or cabochon cuts for smooth surfaces and unique visual appeal.

Color Variety in 3 Carat Stones

Our collection includes gemstones in a wide spectrum of colors, from vivid blues and reds to soft pastels and rare color-change varieties.

Calibrated 3 Carat Gemstones

Find calibrated stones that fit standard jewelry settings, helping jewelers and designers save time while ensuring precise results.

Investment-Grade Gemstones

Many 3 carat gemstones offer excellent value for collectors, combining desirable size with quality characteristics that can appreciate over time.

Wholesale 3 Carat Gemstones

We offer competitive pricing on bulk purchases of 3ct gemstones, ideal for jewelers, designers, and resellers seeking consistent supply.

Learn more about gemstone properties, grading, and selection on our Gemstone Information Page.

FAQs

Is a 3 carat gemstone considered large?

Yes, a 3 carat gemstone is considered a medium-to-large size, making it ideal for statement jewelry while still being wearable daily.

Which gemstones look best at 3 carats?

Sapphires, rubies, aquamarines, and tourmalines are popular choices, as their color and clarity are well showcased at 3 carats.

Are all 3 carat gemstones the same size?

No, size varies depending on the gemstone type and density. Two stones with the same carat weight can have different dimensions.

Are your 3 carat gemstones natural?

Yes, all gemstones are natural, with any treatments clearly disclosed to ensure full transparency.

Can I use a 3 carat gemstone for an engagement ring?

Absolutely, 3 carat gemstones are a popular choice for engagement rings, offering impressive size and visual impact.

Do you offer calibrated 3ct gemstones?

Yes, we stock calibrated sizes suitable for standard jewelry settings, making them easy to mount.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

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 -> 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 -> 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 -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
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

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
Enlarged Gemstone Image