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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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3.27ct Brown Smoky Quartz, Round, VVS-VS

9.5 mm (calibrated)

$ 10.80

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3.47ct Pink Strawberry Quartz, Round, Translucent

10 mm (calibrated)

$ 25.20

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3.10ct Multicolor Pietersite, Round, Opaque

9 mm (calibrated)

$ 7.53

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3.38ct Blue Sapphire, Oval, VS

9 x 7 mm (calibrated)

$ 5,948.80

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3.30ct Green Emerald, Emerald Cut, VS-SI

9.6 x 7.7 mm

$ 10,692.00

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3.39ct Yellow Citrine, Flower Cut, Transparent

9.5 x 9.5 mm

$ 31.32

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3.24ct Orange Sunstone, Round, Transparent

10 mm (calibrated)

$ 22.75

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3.29ct Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 10.64

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3.49ct Violet Amethyst, Round, VVS

10 mm (calibrated)

$ 32.24

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3.35ct Violet Amethyst, Round, VVS-VS

10 mm (calibrated)

$ 30.96

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3.04ct Blue Tanzanite, Oval, Translucent

9 x 7 mm (calibrated)

$ 31.70

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3.24ct Turquoise Grandidierite, Oval, Translucent

10 x 8 mm (calibrated)

$ 272.16

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3.03ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 29.09

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3.05ct Yellow Rutile Quartz, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 9.90

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3.44ct Green Tourmaline, Emerald Cut, SI

26.6 x 3.9 mm

$ 173.38

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3.14ct Red Andesine Labradorite, Cushion, Transparent

10 x 8 mm (calibrated)

$ 47.10

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3.24ct Yellow Apatite, Emerald Cut, VS

8 x 8 mm (calibrated)

$ 158.89

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3.03ct Blue Chalcedony, Oval, Transparent

10.4 x 9 mm

$ 7.27

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3.21ct Violet Amethyst, Oval, Transparent

11 x 9 mm (calibrated)

$ 23.11

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3.05ct Yellow Agate, Oval, Translucent

10.3 x 8.7 mm

$ 8.05

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3.27ct Green Emerald, Pear Shape, SI

14 x 9 mm (calibrated)

$ 3,755.27

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3.17ct Yellow Citrine, Oval, VVS

12.3 x 8.4 mm

$ 29.29

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3.39ct Pink Tourmaline, Emerald Cut, VVS-VS

12.7 x 5.3 mm

$ 201.37

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3.27ct Brown Tiger'S Eye, Oval, Opaque

10.8 x 8.6 mm

$ 3.92

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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

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 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

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate
Enlarged Gemstone Image