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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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3.48ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.78

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3.22ct Pink Andesine Labradorite, Cushion, Transparent

13 x 7.8 mm

$ 40.09

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3.25ct Purple Kunzite, Emerald Cut, VVS

10.7 x 6 mm

$ 89.44

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3.16ct Yellow Citrine, Square, VS

9 x 9 mm (calibrated)

$ 17.31

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3.07ct Orange Pyrope Garnet, Fancy, Translucent

13.9 x 8.5 mm

$ 7.70

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3.25ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 28.13

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3.36ct Yellow Quartz, Flower Cut, Transparent

10.5 x 10.3 mm

$ 11.05

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3.32ct Pink Andesine Labradorite, Pear Shape, Translucent

9.6 x 9.8 mm

$ 41.33

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3.25ct Golden Andesine Labradorite, Oval, Transparent

10.4 x 8.3 mm

$ 59.35

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3.23ct Orange Sapphire, Oval, SI

8.6 x 7.5 mm

$ 884.70

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3.36ct Green Apatite, Emerald Cut, VS

8.4 x 8.1 mm

$ 136.75

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3.21ct Yellow Citrine, Cushion, VVS-VS

11.5 x 8.2 mm

$ 24.62

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3.32ct Pink Strawberry Quartz, Oval, Translucent

10 x 8 mm (calibrated)

$ 25.46

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3.00ct Violet Tanzanite, Oval, Transparent

9 x 7 mm (calibrated)

$ 19.92

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3.20ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 24.00

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3.31ct Multicolor Agate, Oval, Opaque

9.7 x 8.8 mm

$ 5.61

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3.42ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.48

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3.30ct Multicolor Black Opal, Oval, Opaque

14.7 x 11 mm

$ 96.14

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3.03ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 19.92

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3.46ct Multicolor Black Opal, Pear Shape, Opaque

15.2 x 11 mm

$ 100.80

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3.14ct Yellow Citrine, Square, VS

9 x 9 mm (calibrated)

$ 24.09

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3.26ct Yellow Citrine, Cushion, VVS-VS

11.4 x 8.6 mm

$ 25.00

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3.10ct Turquoise Grandidierite, Pear Shape, VS-SI

12.5 x 9.4 mm

$ 135.85

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3.38ct Green Sapphire, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 1,858.98

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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 -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Overall the site is good to use and simple to navigate for what i needed and i liked that they are clear and detailed on the size shape and cut of the stones only input id like is for stones that have a specific refractive quality like moonstone in my case if theyd showcase the cut stones refraction so you know how it looks when buying

Posted By Revenant in August, 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

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
Enlarged Gemstone Image