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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 Multicolor Opal Triplet, Fancy, Opaque

15.7 x 9.1 mm

$ 97.50

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3.15ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 30.24

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3.23ct Blue Topaz, Heart, VVS

9 x 9 mm (calibrated)

$ 27.29

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3.10ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 28.64

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3.49ct White Topaz, Oval, VVS

10 x 8 mm (calibrated)

$ 29.32

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3.31ct Red Almandine Garnet, Pear Shape, VVS

12 x 8 mm (calibrated)

$ 148.95

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3.11ct Yellow Citrine, Fancy, VVS

10.6 x 9.7 mm

$ 24.64

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3.21ct Multicolor Opal Triplet, Fancy, Opaque

15.7 x 9.1 mm

$ 96.30

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3.36ct Pink Strawberry Quartz, Oval, Translucent

10 x 8 mm (calibrated)

$ 31.04

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3.24ct Multicolor Opal Triplet, Fancy, Opaque

17.2 x 8.3 mm

$ 97.20

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3.40ct Yellow Citrine, Cushion, Transparent

10 x 10 mm (calibrated)

$ 31.42

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3.09ct Green Apatite, Emerald Cut, VVS-VS

8.6 x 8.4 mm

$ 195.37

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3.30ct Yellow Apatite, Pear Shape, VS-SI

14.2 x 8 mm

$ 130.68

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3.01ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 28.90

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3.11ct Green Emerald, Emerald Cut, SI

10 x 8 mm (calibrated)

$ 933.00

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3.13ct Green Agate, Flower Cut, Translucent

18.7 x 9.2 mm

$ 10.33

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3.28ct Yellow Citrine, Baguette, VVS-VS

12 x 6.1 mm

$ 30.31

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3.28ct Pink Rose Quartz, Emerald Cut, Transparent

9 x 9 mm (calibrated)

$ 21.65

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3.22ct Orange Spessartite Garnet, Oval, Transparent

8.5 x 7.7 mm

$ 96.60

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3.25ct Golden Andesine Labradorite, Oval, Transparent

10.4 x 8.3 mm

$ 71.50

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3.16ct Yellow Citrine, Oval, VVS-VS

12 x 10 mm (calibrated)

$ 29.20

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3.21ct Blue Tanzanite, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.47

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3.04ct Brown Tiger'S Eye, Oval, Opaque

10 x 8 mm (calibrated)

$ 3.65

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3.32ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 34.62

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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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 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

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate
Enlarged Gemstone Image