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 |
3.26ct Green Chrysoprase, Round, Translucent
8.5 mm (calibrated)
$ 27.06
3.46ct Multicolor Opal Triplet, Fancy, Opaque
15.5 x 9.2 mm
$ 86.15
3.34ct Green Sapphire, Oval, VVS-VS
9.7 x 7.4 mm
$ 1,836.97
3.06ct Turquoise Fluorite, Oval, Transparent
9 x 7 mm (calibrated)
$ 12.19
3.37ct Red Ruby, Round, VS
8 mm (calibrated)
$ 302.09
3.04ct Brown Tiger'S Eye, Oval, Opaque
10.4 x 8.4 mm
$ 3.03
3.27ct Violet Amethyst, Round, VVS
10 mm (calibrated)
$ 25.08
3.42ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 21.36
3.06ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.39
3.21ct White Zircon, Oval, VS
8.9 x 6.7 mm
$ 75.85
3.25ct Multicolor Labradorite, Marquise, Translucent
14 x 7 mm (calibrated)
$ 7.19
3.19ct Yellow Rutile Topaz, Pear Shape, Transparent
12.4 x 7.3 mm
$ 66.19
3.45ct Yellow Citrine, Emerald Cut, VVS-VS
12 x 8 mm (calibrated)
$ 24.05
3.04ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 22.78
3.40ct Multicolor Mystic Quartz, Round, VVS
10 mm (calibrated)
$ 20.32
3.20ct Yellow Citrine, Emerald Cut, VVS
10.1 x 9.4 mm
$ 17.53
3.25ct White Moonstone, Oval, Translucent
11.9 x 8.6 mm
$ 35.61
3.32ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 28.73
3.09ct Bi-Color Tourmaline, Fancy, Transparent
11 x 9 mm (calibrated)
$ 92.70
3.43ct Violet Amethyst, Pear Shape, VS
13.7 x 9.5 mm
$ 24.91
3.47ct Yellow Quartz, Flower Cut, Transparent
11 x 11 mm (calibrated)
$ 13.31
3.27ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 22.80
3.03ct Brown Moonstone, Oval, Translucent
11 x 9 mm (calibrated)
$ 6.67
3.16ct Multicolor Boulder Opal, Cushion, Opaque
9.7 x 7.6 mm
$ 13.11
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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 -> 7 
Overall the site is good to use and simple to navigate for what i needed and i liked that they are clear and detailed on the size shape and cut of the stones only input id like is for stones that have a specific refractive quality like moonstone in my case if theyd showcase the cut stones refraction so you know how it looks when buying
Overall Rating -> 10 
GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'
Overall Rating -> 10
Easy to use. No issues. Large selection of gems.
Overall Rating -> 9 
It was fine . Wish there had been more round stones to select from
Overall Rating -> 9
Everything was good, the purchase was what I expected and what they show is what you get.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
