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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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3.02ct Violet Amethyst, Trillion, VS

3.02ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.06

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3.43ct Pink Strawberry Quartz, Oval, Translucent

3.43ct Pink Strawberry Quartz, Oval, Translucent

10 x 8 mm (calibrated)

$ 26.30

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3.32ct Yellow Citrine, Cushion, VVS-VS

3.32ct Yellow Citrine, Cushion, VVS-VS

12.1 x 7.1 mm

$ 25.46

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3.36ct Red Andesine Labradorite, Oval, Transparent/Translucent

3.36ct Red Andesine Labradorite, Oval, Transparent/Translucent

11 x 9 mm (calibrated)

$ 44.17

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3.42ct Green Tourmaline, Emerald Cut, VVS-VS
Tourmaline Product Video (347685)

3.42ct Green Tourmaline, Emerald Cut, VVS-VS

29.7 x 3.8 mm

$ 153.28

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3.02ct Violet Amethyst, Heart, VS

3.02ct Violet Amethyst, Heart, VS

10 x 10 mm (calibrated)

$ 23.16

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3.01ct Violet Amethyst, Trillion, VVS

3.01ct Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 23.99

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3.03ct Blue Topaz, Heart, VVS

3.03ct Blue Topaz, Heart, VVS

9 x 9 mm (calibrated)

$ 21.58

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3.07ct Blue Kyanite, Cushion, SI

3.07ct Blue Kyanite, Cushion, SI

11.2 x 7.2 mm

$ 76.44

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3.16ct Multicolor Fire Agate, Fancy, Opaque

3.16ct Multicolor Fire Agate, Fancy, Opaque

10 x 8 mm (calibrated)

$ 44.52

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3.30ct Multicolor Opal Triplet, Fancy, Opaque

3.30ct Multicolor Opal Triplet, Fancy, Opaque

15.7 x 9.1 mm

$ 82.17

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3.29ct Red Ruby, Oval, VS-SI

3.29ct Red Ruby, Oval, VS-SI

10 x 8 mm (calibrated)

$ 294.92

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3.05ct Red Ruby, Oval, VS-SI

3.05ct Red Ruby, Oval, VS-SI

9 x 7 mm (calibrated)

$ 151.89

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3.41ct Multicolor Opal, Oval, Transparent

3.41ct Multicolor Opal, Oval, Transparent

14 x 9 mm (calibrated)

$ 84.91

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3.35ct Multicolor Labradorite, Marquise, Translucent

3.35ct Multicolor Labradorite, Marquise, Translucent

14 x 7 mm (calibrated)

$ 7.41

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3.32ct Green Druzy Variscite, Fancy, Opaque

3.32ct Green Druzy Variscite, Fancy, Opaque

21 x 9.8 mm

$ 3.40

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3.16ct Violet Amethyst, Trillion, VVS-VS

3.16ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 25.18

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3.12ct Green Agate, Oval, Translucent

3.12ct Green Agate, Oval, Translucent

10 x 8 mm (calibrated)

$ 3.39

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3.13ct Violet Amethyst, Pear Shape, VVS-VS

3.13ct Violet Amethyst, Pear Shape, VVS-VS

13 x 9 mm (calibrated)

$ 24.00

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3.45ct Brown Cat'S Eye Scapolite, Round, Translucent

3.45ct Brown Cat'S Eye Scapolite, Round, Translucent

9 mm (calibrated)

$ 9.45

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3.45ct Brown Smoky Quartz, Baguette, VVS-VS

3.45ct Brown Smoky Quartz, Baguette, VVS-VS

12 x 8 mm (calibrated)

$ 11.35

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3.41ct Green Apatite, Emerald Cut, VS

3.41ct Green Apatite, Emerald Cut, VS

9 x 9 mm (calibrated)

$ 178.95

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3.41ct Orange Sunstone, Round, Translucent

3.41ct Orange Sunstone, Round, Translucent

10 mm (calibrated)

$ 19.87

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3.48ct Blue Topaz, Fancy, VVS

3.48ct Blue Topaz, Fancy, VVS

10 x 8 mm (calibrated)

$ 22.87

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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 -> 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

I love the product and the details about each of them.

Posted By Love It! in July, 2025
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Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn 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

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
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