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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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3.15ct Blue Zircon, Round, VVS-VS

8 mm (calibrated)

$ 341.67

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3.02ct Multicolor Black Opal, Oval, Translucent

12.6 x 9.4 mm

$ 62.67

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3.04ct Blue Chalcedony, Oval, Transparent

11 x 9 mm (calibrated)

$ 6.06

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3.15ct Orange Tourmaline, Pear Shape, Transparent

11.5 x 8.8 mm

$ 47.63

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3.48ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 21.75

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3.05ct Multicolor Opal Triplet, Fancy, Opaque

17.8 x 7.9 mm

$ 75.95

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3.45ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 24.05

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3.32ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 24.90

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3.48ct Green Agate, Oval, Translucent

9.9 x 8.6 mm

$ 3.78

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3.22ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.42

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3.05ct Orange Andesine Labradorite, Oval, Transparent/Translucent

10 x 8 mm (calibrated)

$ 40.10

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3.28ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 22.87

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3.16ct Pink Morganite, Oval, Transparent

11.9 x 7.2 mm

$ 34.62

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3.30ct Green Agate, Flower Cut, Translucent

17.6 x 8.2 mm

$ 9.05

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3.02ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 21.06

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3.09ct Multicolor Black Opal, Pear Shape, Transparent

19.1 x 8.7 mm

$ 90.02

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3.09ct Green Apatite, Emerald Cut, VVS-VS

8.6 x 8.4 mm

$ 162.16

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3.40ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.70

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3.08ct Green Tourmaline, Emerald Cut, VS-SI

25.7 x 3.8 mm

$ 138.05

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3.31ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.07

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3.33ct Pink Morganite, Oval, Transparent

11.4 x 8 mm

$ 36.49

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3.39ct Yellow Citrine, Pear Shape, VVS-VS

12 x 10 mm (calibrated)

$ 21.27

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3.02ct Blue Topaz, Emerald Cut, VVS

8 x 8 mm (calibrated)

$ 23.46

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3.04ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.31

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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

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
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

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
Enlarged Gemstone Image