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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 Pink Kunzite, Emerald Cut, VS

3.08ct Pink Kunzite, Emerald Cut, VS

8 x 6 mm (calibrated)

$ 76.69

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3.04ct Blue Tanzanite, Oval, Transparent

3.04ct Blue Tanzanite, Oval, Transparent

9 x 7 mm (calibrated)

$ 26.31

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3.24ct Yellow Rutile Topaz, Cushion, Transparent

3.24ct Yellow Rutile Topaz, Cushion, Transparent

10.8 x 7.1 mm

$ 67.23

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3.00ct Violet Amethyst, Trillion, VS

3.00ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.90

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3.30ct White Topaz, Oval, Transparent

3.30ct White Topaz, Oval, Transparent

10 x 8 mm (calibrated)

$ 18.08

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3.16ct Violet Amethyst, Trillion, VVS-VS

3.16ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.03

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3.25ct Yellow Citrine, Oval, VVS-VS

3.25ct Yellow Citrine, Oval, VVS-VS

13 x 9 mm (calibrated)

$ 24.93

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3.34ct Yellow Citrine, Pear Shape, VS

3.34ct Yellow Citrine, Pear Shape, VS

10.7 x 10.3 mm

$ 25.61

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3.31ct Red Andesine Labradorite, Oval, Transparent

3.31ct Red Andesine Labradorite, Oval, Transparent

12.6 x 8 mm

$ 41.21

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3.48ct Multicolor Opal Triplet, Oval, Opaque

3.48ct Multicolor Opal Triplet, Oval, Opaque

14 x 10 mm (calibrated)

$ 86.65

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3.49ct Green Agate, Flower Cut, Translucent

3.49ct Green Agate, Flower Cut, Translucent

17.7 x 7.6 mm

$ 9.56

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3.04ct Multicolor Labradorite, Baguette, Translucent

3.04ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.18

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3.32ct Green Prehnite, Pear Shape, Transparent/Translucent

3.32ct Green Prehnite, Pear Shape, Transparent/Translucent

11.3 x 7.2 mm

$ 7.27

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3.34ct Pink Strawberry Quartz, Oval, Translucent

3.34ct Pink Strawberry Quartz, Oval, Translucent

11 x 9 mm (calibrated)

$ 26.09

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3.08ct Violet Amethyst, Trillion, VS

3.08ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 21.47

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3.13ct Yellow Sapphire, Oval, VS
Sapphire Product Video (724453)

3.13ct Yellow Sapphire, Oval, VS

10.6 x 7.3 mm

$ 779.37

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3.06ct Yellow Citrine, Oval, VVS-VS

3.06ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 19.11

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3.02ct Pink Andesine Labradorite, Pear Shape, Transparent

3.02ct Pink Andesine Labradorite, Pear Shape, Transparent

10.8 x 9.8 mm

$ 37.60

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3.21ct Yellow Citrine, Oval, VVS-VS

3.21ct Yellow Citrine, Oval, VVS-VS

11 x 9 mm (calibrated)

$ 24.62

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3.23ct Yellow Citrine, Flower Cut, Transparent

3.23ct Yellow Citrine, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 24.77

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3.01ct Violet Amethyst, Trillion, VS

3.01ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.09

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3.03ct Multicolor Labradorite, Baguette, Translucent

3.03ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 4.17

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3.07ct Green Agate, Flower Cut, Translucent

3.07ct Green Agate, Flower Cut, Translucent

15.6 x 8.9 mm

$ 8.42

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3.21ct Violet Amethyst, Trillion, VVS-VS

3.21ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.38

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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

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

Posted By Dafanatic in August, 2025
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Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
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Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
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Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
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Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
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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
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