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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
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3.31ct Multicolor Ruby In Fuchsite, Marquise, Translucent

20.2 x 8 mm

$ 24.44

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3.23ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 22.52

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3.46ct Violet Amethyst, Pear Shape, VVS-VS

13 x 9 mm (calibrated)

$ 26.54

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3.00ct Green Fluorite, Pear Shape, Transparent

12.8 x 7 mm

$ 12.34

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3.08ct Brown Cat'S Eye Scapolite, Round, Translucent

9 mm (calibrated)

$ 16.87

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3.23ct Brown Cat'S Eye Apatite, Oval, Translucent

9 x 7 mm (calibrated)

$ 35.39

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3.48ct Multicolor Opal Triplet, Fancy, Opaque

17.1 x 8.3 mm

$ 86.65

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3.14ct Red Andesine Labradorite, Cushion, Transparent

10 x 8 mm (calibrated)

$ 39.09

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3.00ct White Zircon, Oval, VS

9 x 7 mm (calibrated)

$ 59.08

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3.32ct Multicolor Agate, Oval, Opaque

9.4 x 8.8 mm

$ 3.30

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3.12ct Pink Morganite, Round, Transparent

10 mm (calibrated)

$ 34.18

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3.47ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.81

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3.29ct Blue Zircon, Round, VS

8 mm (calibrated)

$ 356.85

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3.32ct Violet Amethyst, Briolette, VS

9.7 x 7.5 mm

$ 14.55

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3.20ct Yellow Golden Beryl, Pear Shape, VS-SI

14 x 9 mm (calibrated)

$ 77.13

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3.19ct Red Star Ruby, Oval, Opaque

10 x 7 mm (calibrated)

$ 50.84

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3.25ct Multicolor Opal Triplet, Fancy, Opaque

15.7 x 9.1 mm

$ 80.93

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3.28ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 21.56

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3.31ct Multicolor Fire Agate, Fancy, Translucent

10.1 x 8.4 mm

$ 28.04

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3.46ct Multicolor Pietersite, Marquise, Translucent

21.2 x 5.8 mm

$ 8.17

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3.02ct Pink Kunzite, Emerald Cut, VVS-VS

8.5 x 6.6 mm

$ 75.20

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3.08ct Black Cat'S Eye Scapolite, Round, Translucent

8.5 mm (calibrated)

$ 14.06

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3.28ct Green Fluorite, Marquise, Transparent

14 x 7 mm (calibrated)

$ 13.50

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3.27ct Violet Amethyst, Pear Shape, VS

13 x 9 mm (calibrated)

$ 22.80

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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 -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Maneuvering through the website was easy and enjoyable. I have ordered from GemSelect before and that experience was also pleasant.

Posted By Willow in August, 2026
Source: Bizrate
Enlarged Gemstone Image