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 |
3.40ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 23.70
3.25ct Black Star Sapphire, Oval, Opaque
10.6 x 8 mm
$ 48.56
3.40ct Red Andesine Labradorite, Oval, Translucent
11 x 9 mm (calibrated)
$ 44.70
3.16ct Yellow Quartz, Flower Cut, Transparent
10.4 x 10.3 mm
$ 10.39
3.14ct Green Agate, Flower Cut, Translucent
18.3 x 9 mm
$ 7.82
3.29ct Pink Morganite, Pear Shape, Transparent
12 x 8 mm (calibrated)
$ 13.65
3.40ct Yellow Citrine, Oval, VS
11.1 x 8.3 mm
$ 22.35
3.06ct Green Apatite, Emerald Cut, VS
7.6 x 7.5 mm
$ 124.55
3.04ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 22.78
3.45ct Pink Ruby, Oval, VS
10 x 8 mm (calibrated)
$ 171.81
3.01ct Multicolor Opal Triplet, Oval, Opaque
12 x 10 mm (calibrated)
$ 74.95
3.19ct Yellow Rutile Topaz, Pear Shape, Transparent
11.7 x 8.6 mm
$ 66.19
3.09ct Yellow Cat'S Eye Apatite, Oval, Transparent
10.1 x 7.5 mm
$ 23.70
3.45ct Violet Amethyst, Pear Shape, VS
13 x 9 mm (calibrated)
$ 26.46
3.02ct Pink Kunzite, Emerald Cut, VS
7.8 x 7.2 mm
$ 75.20
3.31ct Multicolor Opal Triplet, Fancy, Opaque
15.7 x 9.2 mm
$ 82.42
3.44ct Brown Tiger'S Eye, Oval, Opaque
11 x 9 mm (calibrated)
$ 2.86
3.38ct Green Prehnite, Oval, Transparent
8.9 x 8.2 mm
$ 21.73
3.08ct Yellow Quartz, Flower Cut, Transparent
11 x 11 mm (calibrated)
$ 10.12
3.43ct Blue Topaz, Marquise, VVS-VS
15.1 x 6.7 mm
$ 26.30
3.04ct Blue Tanzanite, Oval, Transparent
9 x 7 mm (calibrated)
$ 26.31
3.22ct Yellow Apatite, Oval, VS
10.8 x 8 mm
$ 105.83
3.47ct Brown Rutile Topaz, Pear Shape, Transparent
12.6 x 7.5 mm
$ 72.00
3.11ct Green Agate, Oval, Translucent
10.5 x 7.9 mm
$ 3.38
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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 
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.
Overall Rating -> 10
I was able to find what I wanted very easily!
Overall Rating -> 10
No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Overall Rating -> 10
Fairly good selection of calibrated gems but would like to see more in various sizes, esp rounds,
Overall Rating -> 9 
It was fine . Wish there had been more round stones to select from
