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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 Red Andesine Labradorite, Oval, Transparent

12.6 x 8 mm

$ 41.21

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3.46ct White Topaz, Oval, Transparent

10 x 8 mm (calibrated)

$ 18.96

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3.21ct Multicolor Opal Triplet, Oval, Opaque

12 x 10 mm (calibrated)

$ 79.93

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3.42ct Green Agate, Oval, Translucent

9.5 x 8.8 mm

$ 3.72

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3.29ct Green Druzy Variscite, Fancy, Opaque

17.6 x 8.3 mm

$ 15.53

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3.18ct Green Fluorite, Oval, Transparent

9.3 x 8.1 mm

$ 12.67

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3.14ct Yellow Cat'S Eye Apatite, Oval, Translucent

9 x 7 mm (calibrated)

$ 24.09

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3.48ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 24.26

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3.12ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 20.51

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3.36ct Red Almandine Garnet, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 97.61

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3.27ct Red Zircon, Oval, VVS-VS

9 x 7 mm (calibrated)

$ 157.63

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3.02ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 26.14

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3.04ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.31

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3.04ct Brown Tiger'S Eye, Oval, Opaque

10 x 8 mm (calibrated)

$ 3.03

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3.45ct Brown Tiger'S Eye, Pear Shape, Opaque

10 x 10 mm (calibrated)

$ 4.47

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3.11ct Multicolor Black Opal, Cushion, Opaque

12 x 8 mm (calibrated)

$ 90.60

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3.42ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 20.91

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3.30ct Violet Amethyst, Pear Shape, VVS

13.5 x 9.4 mm

$ 25.31

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3.48ct Green Agate, Oval, Translucent

9.9 x 8.6 mm

$ 3.78

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3.24ct Red Carnelian, Oval, Translucent

11 x 9 mm (calibrated)

$ 16.20

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3.10ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 21.61

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3.16ct Red Star Ruby, Oval, Opaque

10.6 x 8.1 mm

$ 50.36

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3.26ct Pink Rose Quartz, Emerald Cut, Transparent

9 x 9 mm (calibrated)

$ 16.23

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3.26ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 21.43

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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

It was great

Posted By Nik in June, 2026
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Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
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Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
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Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
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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

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate
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