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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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3.33ct Yellow Citrine, Pear Shape, VVS-VS

3.33ct Yellow Citrine, Pear Shape, VVS-VS

12 x 10 mm (calibrated)

$ 20.91

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3.38ct Pink Kunzite, Pear Shape, VS

3.38ct Pink Kunzite, Pear Shape, VS

9 x 8.4 mm

$ 84.16

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3.43ct Pink Kunzite, Emerald Cut, VS

3.43ct Pink Kunzite, Emerald Cut, VS

8.7 x 6.6 mm

$ 85.41

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3.31ct Yellow Quartz, Flower Cut, Transparent

3.31ct Yellow Quartz, Flower Cut, Transparent

11 x 11 mm (calibrated)

$ 10.87

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3.08ct Pink Tourmaline, Emerald Cut, VS-SI
Tourmaline Product Video (544804)

3.08ct Pink Tourmaline, Emerald Cut, VS-SI

9.5 x 6.5 mm

$ 232.83

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3.36ct Multicolor Opal Triplet, Fancy, Opaque

3.36ct Multicolor Opal Triplet, Fancy, Opaque

15.9 x 9.2 mm

$ 83.66

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3.17ct Yellow Citrine, Oval, VS

3.17ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 20.26

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3.04ct Yellow Citrine, Oval, VVS-VS

3.04ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.31

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3.11ct Violet Amethyst, Trillion, VVS-VS

3.11ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 21.68

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3.12ct Yellow Citrine, Cushion, VS

3.12ct Yellow Citrine, Cushion, VS

11.2 x 8 mm

$ 23.92

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3.37ct Yellow Citrine, Emerald Cut, VVS

3.37ct Yellow Citrine, Emerald Cut, VVS

12 x 8 mm (calibrated)

$ 23.50

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3.06ct Yellow Rutile Quartz, Oval, Transparent

3.06ct Yellow Rutile Quartz, Oval, Transparent

10 x 8 mm (calibrated)

$ 8.25

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3.06ct Violet Amethyst, Trillion, VVS-VS

3.06ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 21.33

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3.16ct Violet Amethyst, Trillion, VS

3.16ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.24

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3.33ct Red Sunstone, Oval, Translucent

3.33ct Red Sunstone, Oval, Translucent

11 x 9 mm (calibrated)

$ 20.03

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3.13ct Multicolor Labradorite, Baguette, Translucent

3.13ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.30

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3.16ct Pink Morganite, Oval, Transparent

3.16ct Pink Morganite, Oval, Transparent

10 x 8 mm (calibrated)

$ 34.62

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3.16ct Green Prehnite, Oval, Transparent

3.16ct Green Prehnite, Oval, Transparent

9.4 x 7.8 mm

$ 20.33

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3.00ct Multicolor Labradorite, Baguette, Translucent

3.00ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 3.44

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3.04ct Yellow Quartz, Flower Cut, Transparent

3.04ct Yellow Quartz, Flower Cut, Transparent

9.7 x 9.5 mm

$ 9.99

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3.27ct Red Almandine Garnet, Pear Shape, VS

3.27ct Red Almandine Garnet, Pear Shape, VS

12 x 8 mm (calibrated)

$ 27.14

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3.20ct Yellow Citrine, Oval, VVS

3.20ct Yellow Citrine, Oval, VVS

13 x 9 mm (calibrated)

$ 19.39

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3.09ct Pink Morganite, Trillion, Transparent

3.09ct Pink Morganite, Trillion, Transparent

10.5 x 9.7 mm

$ 33.86

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3.08ct Pink Morganite, Pear Shape, Transparent

3.08ct Pink Morganite, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 33.75

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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 -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
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

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate
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