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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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3.25ct Blue Tanzanite, Oval, Transparent

3.25ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 28.13

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3.16ct Violet Amethyst, Trillion, VVS-VS

3.16ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.77

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3.22ct Blue Topaz, Emerald Cut, VVS

3.22ct Blue Topaz, Emerald Cut, VVS

8 x 8 mm (calibrated)

$ 25.01

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3.07ct Violet Amethyst, Trillion, VS

3.07ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 21.41

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3.06ct Yellow Citrine, Square, VS

3.06ct Yellow Citrine, Square, VS

9 x 9 mm (calibrated)

$ 20.12

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3.16ct Black Onyx, Trillion, Opaque

3.16ct Black Onyx, Trillion, Opaque

9.8 x 9.3 mm

$ 3.15

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3.47ct Multicolor Mystic Quartz, Round, VVS-VS

3.47ct Multicolor Mystic Quartz, Round, VVS-VS

10 mm (calibrated)

$ 20.73

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3.43ct White Rainbow Moonstone, Oval, VVS

3.43ct White Rainbow Moonstone, Oval, VVS

10 x 8 mm (calibrated)

$ 358.09

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3.11ct Yellow Quartz, Flower Cut, Transparent

3.11ct Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 10.22

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3.28ct Yellow Citrine, Oval, VS

3.28ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 21.56

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3.15ct Violet Amethyst, Trillion, VS

3.15ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 25.10

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3.17ct Yellow Rutile Quartz, Pear Shape, Translucent

3.17ct Yellow Rutile Quartz, Pear Shape, Translucent

10 x 7 mm (calibrated)

$ 8.55

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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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3.23ct Yellow Citrine, Oval, VVS-VS

3.23ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 17.70

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3.32ct Violet Amethyst, Briolette, VS

3.32ct Violet Amethyst, Briolette, VS

9.7 x 7.5 mm

$ 14.55

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3.26ct Yellow Citrine, Oval, VVS-VS

3.26ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 21.43

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3.26ct Multicolor Black Opal, Pear Shape, Opaque

3.26ct Multicolor Black Opal, Pear Shape, Opaque

14.9 x 11.8 mm

$ 135.29

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3.19ct Green Tourmaline, Emerald Cut, VS

3.19ct Green Tourmaline, Emerald Cut, VS

21.8 x 4.2 mm

$ 104.85

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3.29ct Yellow Citrine, Oval, VS

3.29ct Yellow Citrine, Oval, VS

11 x 9 mm (calibrated)

$ 22.94

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3.44ct Violet Amethyst, Pear Shape, VVS

3.44ct Violet Amethyst, Pear Shape, VVS

13 x 9 mm (calibrated)

$ 26.39

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3.16ct Blue Zircon, Round, VS
Zircon Product Video (447488)

3.16ct Blue Zircon, Round, VS

8 mm (calibrated)

$ 342.74

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3.25ct Brown Rutile Quartz, Round, Transparent

3.25ct Brown Rutile Quartz, Round, Transparent

9 mm (calibrated)

$ 10.69

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3.40ct Multicolor Opal Triplet, Fancy, Opaque

3.40ct Multicolor Opal Triplet, Fancy, Opaque

17.4 x 8.7 mm

$ 84.66

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3.40ct Yellow Citrine, Emerald Cut, Transparent

3.40ct Yellow Citrine, Emerald Cut, Transparent

12 x 10 mm (calibrated)

$ 26.08

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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

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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All good

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Overall Rating -> 10 star ratings

Had a great experience and the prices are great

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Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
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Overall Rating -> 10 star ratings

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
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