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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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3.43ct White Topaz, Round, VVS-VS

9.5 mm (calibrated)

$ 31.69

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3.36ct Pink Tourmaline, Emerald Cut, SI

9.5 x 7.4 mm

$ 166.32

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3.38ct Violet Amethyst, Pear Shape, VS

13 x 9 mm (calibrated)

$ 31.24

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3.12ct Turquoise Fluorite, Oval, Transparent

10.2 x 6.3 mm

$ 15.47

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3.35ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 30.28

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3.33ct Yellow Apatite, Emerald Cut, VS

9 x 9 mm (calibrated)

$ 206.59

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3.13ct Pink Andesine Labradorite, Cushion, Transparent

10.4 x 8.4 mm

$ 46.95

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3.20ct Pink Tourmaline, Emerald Cut, SI

12.6 x 6.1 mm

$ 291.46

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3.05ct Purple Ruby, Fancy, Opaque

13.7 x 9.6 mm

$ 73.20

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3.34ct Yellow Citrine, Flower Cut, Transparent

10.1 x 9.4 mm

$ 30.86

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3.26ct Green Chrysoprase, Round, Translucent

8.5 mm (calibrated)

$ 32.60

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3.29ct Blue Topaz, Marquise, VVS

14.6 x 6.9 mm

$ 30.40

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3.09ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 27.92

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3.38ct Multicolor Black Opal, Cushion, Opaque

13.9 x 7.9 mm

$ 121.68

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3.10ct Green Malachite, Oval, Opaque

8.6 x 6.6 mm

$ 4.09

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3.02ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 25.37

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3.02ct White Moonstone, Oval, Translucent

10 x 8 mm (calibrated)

$ 31.90

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3.06ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 27.62

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3.49ct Multicolor Opal Triplet, Fancy, Opaque

17.3 x 8.8 mm

$ 104.70

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3.44ct Red Zircon, Oval, VVS-VS

9.4 x 7.6 mm

$ 217.96

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3.24ct Green Agate, Fancy, Translucent

15.2 x 8.5 mm

$ 9.72

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3.41ct Pink Tourmaline, Emerald Cut, SI

9 x 7 mm (calibrated)

$ 153.45

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3.28ct White Topaz, Oval, VS

10 x 8 mm (calibrated)

$ 21.65

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3.03ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 25.45

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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

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate
Enlarged Gemstone Image