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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
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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
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3.36ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 21.00

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3.33ct Multicolor Mystic Quartz, Round, VVS-VS

10 mm (calibrated)

$ 19.90

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3.09ct Pink Morganite, Round, Transparent

10 mm (calibrated)

$ 33.86

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3.13ct White Moonstone, Oval, Translucent

11 x 9 mm (calibrated)

$ 27.43

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3.14ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.63

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3.34ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 25.05

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3.47ct Green Tourmaline, Oval, VVS-VS

8.7 x 10 mm

$ 733.74

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3.16ct Multicolor Fire Agate, Fancy, Opaque

10 x 8 mm (calibrated)

$ 44.52

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3.17ct Red Almandine Garnet, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 110.51

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3.36ct Red Ruby, Oval, VS-SI

10 x 8 mm (calibrated)

$ 301.19

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3.21ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.38

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3.14ct Turquoise Fluorite, Oval, Transparent

9.3 x 7.4 mm

$ 13.39

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3.07ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 21.41

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3.09ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 23.70

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3.23ct Green Agate, Oval, Translucent

10.8 x 8.5 mm

$ 3.50

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3.05ct Yellow Citrine, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 16.72

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3.06ct Yellow Citrine, Cushion, VVS-VS

11 x 7 mm

$ 23.46

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3.41ct Brown Tiger'S Eye, Oval, Opaque

9.5 x 7.4 mm

$ 3.39

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3.30ct Multicolor Labradorite, Marquise, Translucent

14 x 7 mm (calibrated)

$ 7.30

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3.25ct Yellow Citrine, Oval, VVS-VS

13 x 9 mm (calibrated)

$ 24.93

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3.21ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 24.07

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3.31ct Blue Topaz, Marquise, VS

15 x 7.2 mm

$ 25.39

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3.01ct Purple Kunzite, Pear Shape, VVS-VS

10 x 7 mm (calibrated)

$ 65.95

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3.42ct Red Ruby, Oval, VS

10 x 7.7 mm

$ 170.32

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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

Ia've been searching for a source to get my gemstones for awhile now and was very happy to come across this website. Amazing variety for any income.

Posted By Tarah in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

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

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 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
Enlarged Gemstone Image