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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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3.26ct Pink Kunzite, Pear Shape, VS

11.7 x 6.6 mm

$ 89.71

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3.39ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.64

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3.17ct Multicolor Mystic Quartz, Pear Shape, VS

12 x 8 mm (calibrated)

$ 9.47

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3.15ct Green Agate, Oval, Translucent

11.1 x 8.4 mm

$ 3.42

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3.28ct Violet Amethyst, Fancy, VS-SI

10 x 10 mm (calibrated)

$ 26.14

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3.04ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 8 mm (calibrated)

$ 25.23

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3.21ct Violet Amethyst, Oval, Transparent

11 x 9 mm (calibrated)

$ 19.18

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3.12ct Brown Tiger'S Eye, Oval, Opaque

10 x 8 mm (calibrated)

$ 3.10

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3.45ct Pink Rose Quartz, Emerald Cut, Transparent

10 x 10 mm (calibrated)

$ 18.91

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3.28ct Yellow Citrine, Baguette, VVS-VS

12 x 6.1 mm

$ 25.16

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3.33ct Green Agate, Oval, Translucent

10.1 x 8.7 mm

$ 3.62

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3.07ct Yellow Citrine, Cushion, VVS-VS

12.6 x 8.2 mm

$ 23.55

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3.05ct Brown Tiger'S Eye, Oval, Opaque

10 x 8 mm (calibrated)

$ 3.04

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3.43ct Violet Amethyst, Pear Shape, VS

13 x 9 mm (calibrated)

$ 26.30

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3.01ct Blue Tanzanite, Oval, Transparent

9 x 7 mm (calibrated)

$ 26.05

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3.34ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 25.05

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3.25ct Black Star Sapphire, Oval, Opaque

10.6 x 8 mm

$ 48.56

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3.40ct Blue Topaz, Marquise, VVS-VS

14.8 x 7 mm

$ 26.08

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3.01ct Red Zircon, Oval, VVS-VS

8.9 x 6.7 mm

$ 154.04

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3.05ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.30

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3.21ct Yellow Citrine, Cushion, VVS-VS

12 x 8.4 mm

$ 24.62

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3.29ct Blue Topaz, Emerald Cut, VVS-VS

8 x 8 mm (calibrated)

$ 25.56

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3.14ct Green Prehnite, Pear Shape, Transparent/Translucent

8.4 x 7.8 mm

$ 7.82

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3.42ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.48

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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

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate
Enlarged Gemstone Image