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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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3.42ct Yellow Quartz, Flower Cut, Transparent

3.42ct Yellow Quartz, Flower Cut, Transparent

10.5 x 10.4 mm

$ 9.18

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3.37ct Pink Strawberry Quartz, Oval, Transparent

3.37ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 25.28

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3.24ct Green Tourmaline, Emerald Cut, VS

3.24ct Green Tourmaline, Emerald Cut, VS

23 x 4 mm

$ 96.81

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3.04ct Pink Spinel, Oval, VS-SI
Spinel Product Video (752651)

3.04ct Pink Spinel, Oval, VS-SI

9 x 7 mm (calibrated)

$ 5,046.40

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3.02ct Violet Amethyst, Trillion, VVS-VS

3.02ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.06

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3.07ct Purple Kunzite, Pear Shape, VS

3.07ct Purple Kunzite, Pear Shape, VS

9.9 x 7.5 mm

$ 84.48

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3.43ct Multicolor Mystic Quartz, Round, VVS

3.43ct Multicolor Mystic Quartz, Round, VVS

10 mm (calibrated)

$ 20.50

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3.21ct Yellow Citrine, Oval, VVS

3.21ct Yellow Citrine, Oval, VVS

11.9 x 8.8 mm

$ 19.46

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3.17ct Green Agate, Flower Cut, Translucent

3.17ct Green Agate, Flower Cut, Translucent

16.4 x 8.9 mm

$ 8.68

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3.17ct Orange Sunstone, Round, Translucent

3.17ct Orange Sunstone, Round, Translucent

9 mm (calibrated)

$ 18.76

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3.00ct Multicolor Black Opal, Oval, Opaque

3.00ct Multicolor Black Opal, Oval, Opaque

13.5 x 7.9 mm

$ 87.40

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3.01ct Blue Tanzanite, Oval, Transparent

3.01ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 23.99

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3.41ct Brown Tiger'S Eye, Oval, Opaque

3.41ct Brown Tiger'S Eye, Oval, Opaque

9.5 x 7.4 mm

$ 3.39

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3.21ct Pink Rose Quartz, Emerald Cut, Transparent

3.21ct Pink Rose Quartz, Emerald Cut, Transparent

9 x 9 mm (calibrated)

$ 17.59

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3.10ct Pink Strawberry Quartz, Oval, Transparent

3.10ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 23.25

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3.15ct Multicolor Opal Triplet, Fancy, Opaque

3.15ct Multicolor Opal Triplet, Fancy, Opaque

15.6 x 9.1 mm

$ 78.44

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3.06ct Violet Amethyst, Trillion, VVS-VS

3.06ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.12

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3.19ct Violet Amethyst, Trillion, VVS-VS

3.19ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.24

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3.18ct Yellow Citrine, Oval, VVS-VS

3.18ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.17

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3.07ct Yellow Citrine, Oval, VS

3.07ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 20.18

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3.22ct Pink Strawberry Quartz, Oval, Transparent

3.22ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 24.15

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3.47ct Yellow Citrine, Emerald Cut, Transparent

3.47ct Yellow Citrine, Emerald Cut, Transparent

12 x 10 mm (calibrated)

$ 26.61

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3.07ct Violet Amethyst, Fancy, VS

3.07ct Violet Amethyst, Fancy, VS

9 x 9 mm (calibrated)

$ 24.46

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3.20ct White Zircon, Oval, VVS

3.20ct White Zircon, Oval, VVS

9 x 6.4 mm

$ 75.61

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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

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.

Posted By CLTCJH in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate
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