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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
Single
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Lots
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3.20ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.40

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3.09ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 26.74

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3.05ct Multicolor Opal, Marquise, Translucent

20.8 x 8.2 mm

$ 67.38

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3.07ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 20.18

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3.11ct White Rainbow Moonstone, Oval, Transparent

11 x 9 mm (calibrated)

$ 52.94

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3.42ct Yellow Citrine, Oval, VVS

13.1 x 7.2 mm

$ 26.23

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3.00ct Multicolor Black Opal, Trillion, Transparent

11.9 x 10.9 mm

$ 87.40

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3.07ct Red Andesine Labradorite, Round, Translucent

9.5 mm (calibrated)

$ 38.22

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3.27ct Red Almandine Garnet, Trillion, VS

10 x 10 mm (calibrated)

$ 94.99

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3.40ct Green Chrysoprase, Oval, Translucent

9 x 8.5 mm

$ 28.22

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3.25ct Blue Topaz, Square, VVS-VS

8 x 8 mm (calibrated)

$ 25.24

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3.26ct Multicolor Opal Triplet, Fancy, Opaque

15.6 x 9.2 mm

$ 81.17

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3.48ct Multicolor Opal Triplet, Fancy, Opaque

17.3 x 8.3 mm

$ 86.65

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3.19ct Red Star Ruby, Oval, Opaque

10 x 7 mm (calibrated)

$ 50.84

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3.49ct Orange Sunstone, Oval, Transparent

11 x 9 mm (calibrated)

$ 21.00

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3.46ct White Topaz, Oval, Transparent

10 x 8 mm (calibrated)

$ 18.96

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3.20ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 8 mm (calibrated)

$ 119.52

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3.27ct Yellow Citrine, Cushion, VVS-VS

13.4 x 7.6 mm

$ 25.08

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3.48ct Yellow Rutile Topaz, Pear Shape, Transparent

13.8 x 7.5 mm

$ 72.21

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3.20ct Blue Topaz, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 24.40

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3.24ct White Zircon, Oval, VVS

8 x 6 mm (calibrated)

$ 73.10

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3.20ct Red Star Ruby, Oval, Opaque

9.7 x 7.6 mm

$ 147.78

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3.11ct Yellow Citrine, Fancy, VVS

10.6 x 9.7 mm

$ 20.45

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3.02ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 22.64

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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 always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
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 -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate
Enlarged Gemstone Image