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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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3.36ct Multicolor Fire Agate, Oval, Opaque

3.36ct Multicolor Fire Agate, Oval, Opaque

10.5 x 7.5 mm

$ 28.45

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3.22ct Red Almandine Garnet, Pear Shape, VVS-VS

3.22ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 8 mm (calibrated)

$ 26.73

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3.37ct Orange Sunstone, Oval, Transparent

3.37ct Orange Sunstone, Oval, Transparent

11 x 9 mm (calibrated)

$ 20.27

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3.12ct Green Malachite, Oval, Opaque

3.12ct Green Malachite, Oval, Opaque

9 x 7 mm (calibrated)

$ 2.39

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3.24ct Yellow Citrine, Oval, VVS-VS

3.24ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 24.85

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3.01ct Violet Amethyst, Marquise, VVS

3.01ct Violet Amethyst, Marquise, VVS

15 x 7.1 mm

$ 20.98

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3.41ct Multicolor Labradorite, Baguette, Translucent

3.41ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.69

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3.02ct Yellow Citrine, Oval, VS

3.02ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 21.06

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3.06ct Multicolor Opal Triplet, Fancy, Opaque

3.06ct Multicolor Opal Triplet, Fancy, Opaque

15.1 x 8.6 mm

$ 76.19

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3.33ct Pink Strawberry Quartz, Oval, Transparent

3.33ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 24.97

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3.10ct Multicolor Black Opal, Pear Shape, Opaque

3.10ct Multicolor Black Opal, Pear Shape, Opaque

15.6 x 10 mm

$ 128.65

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3.24ct Violet Amethyst, Trillion, VVS-VS

3.24ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.59

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3.33ct Multicolor Opal, Oval, Transparent

3.33ct Multicolor Opal, Oval, Transparent

14.2 x 9.6 mm

$ 82.92

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3.16ct Black Onyx, Trillion, Opaque

3.16ct Black Onyx, Trillion, Opaque

9.8 x 9.3 mm

$ 3.15

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3.09ct Pink Morganite, Trillion, Transparent

3.09ct Pink Morganite, Trillion, Transparent

10.5 x 9.7 mm

$ 33.86

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3.04ct Red Andesine Labradorite, Pear Shape, Transparent

3.04ct Red Andesine Labradorite, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 37.85

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3.07ct Multicolor Opal Triplet, Fancy, Opaque

3.07ct Multicolor Opal Triplet, Fancy, Opaque

15.1 x 8.8 mm

$ 76.44

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3.47ct Pink Tourmaline, Emerald Cut, SI

3.47ct Pink Tourmaline, Emerald Cut, SI

12.1 x 6.1 mm

$ 171.08

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3.06ct Pink Strawberry Quartz, Oval, Translucent

3.06ct Pink Strawberry Quartz, Oval, Translucent

11 x 9 mm (calibrated)

$ 23.90

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3.32ct Green Prehnite, Pear Shape, Transparent/Translucent

3.32ct Green Prehnite, Pear Shape, Transparent/Translucent

11.3 x 7.2 mm

$ 7.27

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3.34ct Yellow Citrine, Pear Shape, VS

3.34ct Yellow Citrine, Pear Shape, VS

10.7 x 10.3 mm

$ 25.61

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3.16ct Pink Morganite, Oval, Transparent

3.16ct Pink Morganite, Oval, Transparent

11.9 x 7.2 mm

$ 34.62

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3.36ct Green Prehnite, Pear Shape, Transparent

3.36ct Green Prehnite, Pear Shape, Transparent

12.5 x 7.3 mm

$ 9.20

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3.38ct Yellow Tourmaline, Oval, Transparent

3.38ct Yellow Tourmaline, Oval, Transparent

10 x 8 mm (calibrated)

$ 61.71

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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

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I've made several purchases over the last 8 years and I've never been less than happy with any of them.

Posted By Jess in July, 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

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate
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