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 |
3.09ct Yellow Cat'S Eye Apatite, Oval, Translucent
8.1 x 7.4 mm
$ 23.70
3.06ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.46
3.22ct Yellow Citrine, Oval, VVS-VS
12 x 8 mm (calibrated)
$ 24.69
3.29ct Blue Topaz, Marquise, VVS-VS
15.1 x 7.2 mm
$ 25.23
3.44ct Yellow Citrine, Oval, VVS
11 x 9 mm (calibrated)
$ 21.03
3.26ct Green Malachite, Oval, Opaque
9.5 x 7.1 mm
$ 3.25
3.03ct Blue Chalcedony, Oval, Transparent
10.4 x 9 mm
$ 6.03
3.06ct Yellow Citrine, Oval, VVS
11 x 9 mm (calibrated)
$ 21.33
3.36ct White Topaz, Oval, Transparent
10 x 8 mm (calibrated)
$ 18.41
3.16ct Multicolor Ammolite, Baguette, Opaque
9.1 x 7.8 mm
$ 62.95
3.36ct Yellow Citrine, Oval, VS
13 x 9 mm (calibrated)
$ 25.76
3.09ct Green Agate, Flower Cut, Translucent
17.4 x 8.9 mm
$ 8.47
3.21ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.62
3.02ct Yellow Citrine, Square, VVS-VS
9 x 9 mm (calibrated)
$ 16.54
3.28ct Yellow Citrine, Pear Shape, VVS-VS
12 x 10 mm (calibrated)
$ 20.58
3.16ct Pink Tourmaline, Emerald Cut, VS
8 x 7.4 mm
$ 393.42
3.40ct Yellow Quartz, Oval, Transparent
10.8 x 8.4 mm
$ 3.99
3.47ct Pink Andesine Labradorite, Oval, Transparent
11.7 x 8.9 mm
$ 43.20
3.15ct Purple Star Ruby, Oval, Opaque
8.6 x 6.8 mm
$ 145.47
3.09ct Violet Amethyst, Square, VVS
9 x 9 mm (calibrated)
$ 24.62
3.39ct Purple Ruby, Fancy, Opaque
16.2 x 9.9 mm
$ 67.53
3.04ct Turquoise Grandidierite, Oval, SI
10 x 8 mm (calibrated)
$ 121.11
3.19ct Green Prehnite, Oval, Transparent
9.4 x 8.3 mm
$ 20.52
3.10ct Multicolor Opal Triplet, Fancy, Opaque
17.1 x 8.3 mm
$ 77.19
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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 
I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.
Overall Rating -> 10
Over pretty well experience the your website no complaints about it very easy reliable service provided
Overall Rating -> 10
Great prices!!! High quality gemstones.
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 -> 9 
Fast and reliable service.
Overall Rating -> 10
I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.
