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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 White Topaz, Round, VS

8.5 mm (calibrated)

$ 20.71

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3.29ct Yellow Agate, Oval, Translucent

11 x 9 mm (calibrated)

$ 4.92

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3.31ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.07

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3.06ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.46

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3.38ct Multicolor Black Opal, Cushion, Opaque

13.9 x 7.9 mm

$ 100.99

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3.07ct Red Andesine Labradorite, Round, Translucent

9.5 mm (calibrated)

$ 38.22

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3.01ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.99

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3.35ct Pink Morganite, Pear Shape, Transparent

13.7 x 7.9 mm

$ 13.90

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3.08ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 21.47

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3.03ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 21.12

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3.03ct Pink Morganite, Round, Transparent

9.5 mm (calibrated)

$ 34.82

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3.00ct Green Opal, Cushion, Opaque

10 x 10 mm (calibrated)

$ 6.96

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3.00ct Multicolor Opal Triplet, Oval, Opaque

12 x 10 mm (calibrated)

$ 74.70

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3.21ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.38

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3.03ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 21.12

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3.11ct Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 10.22

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3.47ct Yellow Prehnite, Oval, Transparent/Translucent

10.4 x 7.6 mm

$ 32.54

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3.40ct White Moonstone, Oval, Translucent

11.2 x 8.2 mm

$ 31.04

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3.19ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.24

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3.02ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 19.85

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

12 x 8 mm (calibrated)

$ 26.73

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3.43ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.55

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3.01ct Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 23.99

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3.24ct Yellow Rutile Topaz, Cushion, Transparent

10.8 x 7.1 mm

$ 67.23

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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

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I do enjoy this website and the wide selection. I would like to see more untreated stones. I also wasn't able to see my past order when I logged in.

Posted By Great selection, ok website in July, 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 love the products. I've bought them as gifts and people love my gifts

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

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate
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