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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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3.41ct Brown Tiger'S Eye, Oval, Opaque

3.41ct Brown Tiger'S Eye, Oval, Opaque

11 x 9 mm (calibrated)

$ 3.39

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3.23ct Yellow Quartz, Flower Cut, Transparent

3.23ct Yellow Quartz, Flower Cut, Transparent

10.4 x 10.4 mm

$ 10.62

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3.04ct Yellow Citrine, Oval, VVS-VS

3.04ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 19.98

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3.11ct White Rainbow Moonstone, Oval, Transparent

3.11ct White Rainbow Moonstone, Oval, Transparent

11 x 9 mm (calibrated)

$ 52.94

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3.41ct Black Cat'S Eye Scapolite, Oval, Translucent

3.41ct Black Cat'S Eye Scapolite, Oval, Translucent

10.2 x 7.5 mm

$ 9.35

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3.30ct Pink Kunzite, Cushion, VS-SI

3.30ct Pink Kunzite, Cushion, VS-SI

8.8 x 7.8 mm

$ 98.60

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3.02ct Yellow Citrine, Pear Shape, VVS-VS

3.02ct Yellow Citrine, Pear Shape, VVS-VS

12 x 10 mm (calibrated)

$ 18.96

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3.25ct Yellow Citrine, Oval, VVS-VS

3.25ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.66

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3.00ct Green Agate, Flower Cut, Translucent

3.00ct Green Agate, Flower Cut, Translucent

17.7 x 9.2 mm

$ 8.22

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3.18ct Yellow Citrine, Oval, VS

3.18ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 20.91

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3.35ct Yellow Citrine, Oval, VVS-VS

3.35ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 23.36

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3.23ct Violet Amethyst, Oval, VS

3.23ct Violet Amethyst, Oval, VS

10.8 x 8.2 mm

$ 25.74

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3.11ct Blue Topaz, Heart, VVS

3.11ct Blue Topaz, Heart, VVS

9 x 9 mm (calibrated)

$ 22.15

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3.34ct White Topaz, Oval, VVS

3.34ct White Topaz, Oval, VVS

10 x 8 mm (calibrated)

$ 23.29

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3.47ct Multicolor Mystic Quartz, Round, VVS

3.47ct Multicolor Mystic Quartz, Round, VVS

10 mm (calibrated)

$ 17.28

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3.46ct Purple Kunzite, Cushion, VS

3.46ct Purple Kunzite, Cushion, VS

8 x 8 mm (calibrated)

$ 95.22

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3.19ct Red Star Ruby, Oval, Opaque

3.19ct Red Star Ruby, Oval, Opaque

9.5 x 6.9 mm

$ 50.84

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3.27ct Brown Tiger'S Eye, Oval, Opaque

3.27ct Brown Tiger'S Eye, Oval, Opaque

10.8 x 8.6 mm

$ 3.25

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3.47ct Orange Sunstone, Oval, Transparent

3.47ct Orange Sunstone, Oval, Transparent

11 x 9 mm (calibrated)

$ 53.23

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3.08ct Brown Tiger'S Eye, Oval, Opaque

3.08ct Brown Tiger'S Eye, Oval, Opaque

10 x 8 mm (calibrated)

$ 3.07

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3.18ct Green Agate, Oval, Translucent

3.18ct Green Agate, Oval, Translucent

10.5 x 8 mm

$ 3.45

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3.13ct Violet Amethyst, Trillion, VS

3.13ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.00

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3.06ct Blue Star Sapphire, Oval, Opaque

3.06ct Blue Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 70.10

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3.30ct Green Agate, Flower Cut, Translucent

3.30ct Green Agate, Flower Cut, Translucent

17.6 x 8.2 mm

$ 9.05

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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

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
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

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ia've been searching for a source to get my gemstones for awhile now and was very happy to come across this website. Amazing variety for any income.

Posted By Tarah in August, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I do enjoy this website and the wide selection. I would like to see more untreated stones. I also wasn't able to see my past order when I logged in.

Posted By Great selection, ok website in July, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate
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