3 Carat Loose Gemstones
Browse our selection of natural 3 carat gemstones, perfect for fine jewelry and investment pieces.
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Bi-color 3 ct Gemstones
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Black 3 ct Gemstones
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Blue 3 ct Gemstones
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Brown 3 ct Gemstones
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Golden 3 ct Gemstones
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Gray
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Green 3 ct Gemstones
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Multicolor 3 ct Gemstones
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Orange 3 ct Gemstones
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Pink 3 ct Gemstones
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Purple 3 ct Gemstones
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Red 3 ct Gemstones
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Turquoise 3 ct Gemstones
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Violet 3 ct Gemstones
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White 3 ct Gemstones
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Yellow 3 ct Gemstones
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
3.29ct Green Druzy Variscite, Fancy, Opaque
17.6 x 8.3 mm
$ 15.53
3.48ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 24.26
3.14ct Violet Amethyst, Pear Shape, VS
13 x 9 mm (calibrated)
$ 24.09
3.01ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.99
3.13ct Yellow Quartz, Flower Cut, Transparent
10 x 10 mm (calibrated)
$ 10.29
3.22ct Green Prehnite, Oval, Transparent
9.5 x 7.9 mm
$ 20.71
3.16ct Yellow Quartz, Flower Cut, Transparent
10.4 x 10.3 mm
$ 10.39
3.12ct Brown Tiger'S Eye, Oval, Opaque
10 x 8 mm (calibrated)
$ 3.10
3.01ct Violet Amethyst, Marquise, VVS
15 x 7.1 mm
$ 20.98
3.19ct Purple Ruby, Fancy, Opaque
13.7 x 9.5 mm
$ 63.54
3.30ct Green Agate, Oval, Translucent
10.2 x 8.4 mm
$ 3.59
3.01ct Multicolor Mystic Quartz, Trillion, VS
10 x 10 mm (calibrated)
$ 9.00
3.19ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 23.92
3.06ct Red Almandine Garnet, Pear Shape, VS
12 x 8 mm (calibrated)
$ 25.40
3.26ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 22.73
3.06ct Blue Topaz, Emerald Cut, VVS-VS
8 x 8 mm (calibrated)
$ 23.77
3.39ct Yellow Sapphire, Pear Shape, VS
10 x 8.9 mm
$ 844.11
3.24ct Red Andesine Labradorite, Pear Shape, Transparent
11 x 9 mm (calibrated)
$ 40.34
3.10ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.77
3.12ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.92
3.10ct Multicolor Black Opal, Pear Shape, Opaque
15.6 x 10 mm
$ 128.65
3.47ct Pink Tourmaline, Emerald Cut, SI
12.1 x 6.1 mm
$ 171.08
3.07ct Green Prehnite, Oval, Transparent
9 x 7 mm (calibrated)
$ 13.90
3.17ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 17.37
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Why Buy 3 Ct Gemstones from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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.
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 
So far So good
Overall Rating -> 10
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Overall Rating -> 9 
It was fine . Wish there had been more round stones to select from
