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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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3.23ct Yellow Citrine, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 29.84

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3.13ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 8 mm (calibrated)

$ 31.30

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3.38ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 31.24

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3.16ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 28.55

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3.21ct Pink Kunzite, Pear Shape, VS

9 x 7 mm (calibrated)

$ 96.30

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3.21ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 29.66

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3.43ct Multicolor Labradorite, Pear Shape, Translucent

12 x 8 mm (calibrated)

$ 9.13

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3.20ct Green Agate, Oval, Translucent

9.4 x 8.6 mm

$ 4.19

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3.10ct Multicolor Pietersite, Trillion, Opaque

12.8 x 12 mm

$ 9.04

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3.01ct White Zircon, Oval, VVS

8.1 x 6.9 mm

$ 99.34

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3.00ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.76

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3.05ct White Zircon, Oval, VVS-VS

8.8 x 6.6 mm

$ 99.49

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3.37ct Blue Chalcedony, Oval, Transparent

11 x 9 mm (calibrated)

$ 8.09

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3.42ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 25.75

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3.43ct Yellow Cat'S Eye Opal, Oval, Opaque

10.7 x 8.5 mm

$ 12.35

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3.42ct Green Tourmaline, Emerald Cut, VVS-VS

29.7 x 3.8 mm

$ 184.68

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3.45ct Turquoise Grandidierite, Oval, Translucent

11.5 x 9.3 mm

$ 108.80

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3.21ct Green Prehnite, Oval, Transparent

9 x 7 mm (calibrated)

$ 11.87

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3.12ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 26.21

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3.41ct Multicolor Mystic Quartz, Round, VVS

10 mm (calibrated)

$ 24.55

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3.26ct Black Star Sapphire, Oval, Opaque

9.7 x 7.6 mm

$ 70.42

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3.43ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 31.00

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3.15ct Green Agate, Oval, Translucent

11.1 x 8.4 mm

$ 4.12

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3.01ct Green Agate, Pear Shape, Translucent

11.4 x 9.6 mm

$ 7.94

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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

Good, hope gem quality is good and genuine

Posted By Varun in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate
Enlarged Gemstone Image