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 |
3.22ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.15
3.03ct Orange Moonstone, Marquise, Translucent
14 x 7 mm (calibrated)
$ 6.03
3.38ct Green Sapphire, Oval, VVS-VS
10 x 8 mm (calibrated)
$ 1,858.98
3.16ct Violet Amethyst, Oval, Transparent
11 x 9 mm (calibrated)
$ 18.88
3.26ct Red Andesine Labradorite, Oval, Transparent/Translucent
11 x 9 mm (calibrated)
$ 42.86
3.18ct Multicolor Fire Agate, Fancy, Opaque
10 x 8 mm (calibrated)
$ 40.73
3.04ct Green Agate, Oval, Translucent
9.9 x 8.4 mm
$ 3.30
3.12ct Multicolor Ammolite, Trillion, Transparent
12.4 x 8.8 mm
$ 62.15
3.03ct Yellow Apatite, Emerald Cut, VS
8 x 8 mm (calibrated)
$ 156.02
3.38ct Green Prehnite, Oval, Transparent
8.9 x 8.2 mm
$ 21.73
3.30ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.75
3.17ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 22.10
3.42ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 6.81
3.32ct Multicolor Opal Triplet, Fancy, Opaque
15.6 x 9.1 mm
$ 82.67
3.00ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.01
3.12ct Multicolor Opal Triplet, Fancy, Opaque
15.9 x 9.3 mm
$ 77.69
3.33ct White Moonstone, Round, Translucent
9 mm (calibrated)
$ 9.11
3.15ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 24.16
3.48ct Pink Rose Quartz, Emerald Cut, Transparent
9.5 x 9.4 mm
$ 19.07
3.06ct Multicolor Opal Triplet, Fancy, Opaque
15.1 x 8.6 mm
$ 76.19
3.24ct Green Agate, Fancy, Translucent
15.2 x 8.5 mm
$ 8.07
3.28ct Golden Andesine Labradorite, Oval, Transparent
10.6 x 8.3 mm
$ 59.89
3.19ct Green Agate, Oval, Translucent
10.2 x 8.7 mm
$ 3.47
3.24ct Red Andesine Labradorite, Cushion, Transparent
12.5 x 8.1 mm
$ 40.34
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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 
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
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 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.
Overall Rating -> 9 
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Overall Rating -> 10
Very pleasant
Overall Rating -> 10
Wonderful purchase, can't wait to see the stone.
