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 |
3.20ct Green Agate, Oval, Translucent
9.4 x 8.3 mm
$ 3.48
3.02ct White Moonstone, Oval, Translucent
10 x 8 mm (calibrated)
$ 26.48
3.16ct Multicolor Black Opal, Oval, Opaque
13.6 x 9.6 mm
$ 92.06
3.01ct Multicolor Opal Triplet, Oval, Opaque
12 x 10 mm (calibrated)
$ 74.95
3.31ct Multicolor Fire Agate, Fancy, Translucent
10.1 x 8.4 mm
$ 28.04
3.42ct Green Agate, Oval, Translucent
9.5 x 8.8 mm
$ 3.72
3.48ct Green Prehnite, Pear Shape, Transparent/Translucent
10.9 x 8.5 mm
$ 7.63
3.14ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 22.46
3.32ct Red Almandine Garnet, Oval, VS
10 x 8 mm (calibrated)
$ 115.74
3.45ct Multicolor Opal Triplet, Fancy, Opaque
15.5 x 9.2 mm
$ 85.91
3.25ct Brown Moonstone, Flower Cut, Translucent
10 x 10 mm (calibrated)
$ 14.24
3.13ct Red Almandine Garnet, Pear Shape, VVS-VS
12 x 8 mm (calibrated)
$ 25.98
3.23ct Yellow Quartz, Flower Cut, Transparent
12 x 12 mm (calibrated)
$ 10.62
3.31ct Multicolor Opal, Oval, Opaque
13 x 10.2 mm
$ 83.25
3.36ct Orange Sunstone, Round, Transparent
10 mm (calibrated)
$ 19.59
3.18ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 22.17
3.19ct Red Andesine Labradorite, Cushion, Transparent
10.3 x 8.5 mm
$ 39.72
3.13ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.46
3.14ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 17.20
3.41ct Black Cat'S Eye Scapolite, Oval, Translucent
10.2 x 7.5 mm
$ 9.35
3.01ct Purple Kunzite, Pear Shape, VVS-VS
10 x 7 mm (calibrated)
$ 65.95
3.10ct Yellow Citrine, Oval, VVS-VS
12 x 8.7 mm
$ 23.77
3.19ct Violet Amethyst, Oval, Transparent
10 x 8 mm (calibrated)
$ 19.07
3.47ct Blue Topaz, Marquise, VVS
14.9 x 6.9 mm
$ 26.61
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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 
It was all good
Overall Rating -> 9 
I loved the selection of gemstones you have a to z
Overall Rating -> 10
Enjoy every moment
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 -> 10
I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.
Overall Rating -> 10
Very good place to buy gemstones
