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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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3.10ct Multicolor Pietersite, Round, Opaque

9 mm (calibrated)

$ 6.25

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3.12ct Orange Sunstone, Oval, Translucent

11 x 9 mm (calibrated)

$ 47.86

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3.36ct Green Agate, Oval, Translucent

9.8 x 8.8 mm

$ 3.64

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3.46ct Yellow Apatite, Pear Shape, VS

12.3 x 8.6 mm

$ 113.73

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3.25ct Yellow Sapphire, Cushion, VS-SI

8.5 x 8.1 mm

$ 1,841.31

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3.19ct Green Tourmaline, Cushion, Transparent

10.7 x 7.9 mm

$ 43.69

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3.01ct Blue Kyanite, Oval, SI

10 x 7.6 mm

$ 74.95

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3.35ct Pink Morganite, Pear Shape, VVS-VS

11.3 x 9.7 mm

$ 125.12

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3.13ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 24.00

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3.47ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 24.19

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3.17ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 8 mm (calibrated)

$ 26.31

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3.37ct Pink Tourmaline, Emerald Cut, VVS-VS

13.5 x 5.2 mm

$ 239.99

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3.42ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 21.37

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3.03ct Green Sphene, Oval, VS-SI

9.4 x 7.3 mm

$ 150.89

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3.19ct White Moonstone, Round, Translucent

9 mm (calibrated)

$ 8.73

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3.38ct Violet Amethyst, Pear Shape, VS

13 x 9 mm (calibrated)

$ 25.93

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3.10ct Brown Rutile Topaz, Emerald Cut, Transparent

11.1 x 6.3 mm

$ 64.33

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3.16ct Violet Amethyst, Round, VVS-VS

10 mm (calibrated)

$ 24.24

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3.02ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 21.06

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3.09ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 23.16

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3.10ct Multicolor Mystic Quartz, Trillion, VVS-VS

10 x 6.6 mm

$ 9.26

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3.35ct Multicolor Opal Triplet, Fancy, Opaque

15.4 x 8.9 mm

$ 83.42

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3.02ct Orange Andesine Labradorite, Cushion, Transparent

12.5 x 7.4 mm

$ 37.60

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3.03ct Yellow Citrine, Oval, VVS

11 x 9 mm (calibrated)

$ 23.29

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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

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 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 -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 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

I was able to find what i needed once I worked out what I was looking for.

Posted By Dr Kenneth in August, 2026
Source: Bizrate
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