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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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3.08ct Brown Smoky Quartz, Oval, VS

11.5 x 9 mm

$ 13.50

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3.00ct Red Andesine Labradorite, Oval, Transparent/Translucent

10 x 8 mm (calibrated)

$ 39.44

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3.10ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.70

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3.16ct Orange Sapphire, Oval, VS-SI

8.4 x 7.7 mm

$ 865.52

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3.36ct Green Apatite, Emerald Cut, VS

8.4 x 8.1 mm

$ 136.75

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3.37ct Red Ruby, Round, VS-SI

8.5 mm (calibrated)

$ 302.09

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3.26ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 21.43

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3.23ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.52

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3.49ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 22.94

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3.27ct Pink Rose Quartz, Emerald Cut, Transparent

9.5 x 9.5 mm

$ 17.92

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3.24ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.59

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3.05ct Yellow Agate, Oval, Translucent

10.3 x 8.7 mm

$ 6.68

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3.01ct Multicolor Opal, Pear Shape, Transparent

14.7 x 10.4 mm

$ 134.91

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3.28ct Green Tourmaline, Emerald Cut, VVS-VS

22.8 x 4.2 mm

$ 150.94

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3.01ct Multicolor Opal Triplet, Oval, Opaque

12 x 10 mm (calibrated)

$ 74.95

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3.27ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 22.80

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3.49ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 19.12

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3.16ct Pink Strawberry Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 23.70

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3.25ct Yellow Sapphire, Cushion, VS-SI

8.5 x 8.1 mm

$ 1,841.31

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3.03ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.24

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3.13ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.94

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3.22ct Red Almandine Garnet, Pear Shape, VVS-VS

12 x 8 mm (calibrated)

$ 26.73

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3.36ct Violet Amethyst, Round, VVS

10 mm (calibrated)

$ 25.76

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3.11ct Blue Topaz, Heart, VVS

9 x 9 mm (calibrated)

$ 22.15

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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

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate
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