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 |
3.03ct Yellow Apatite, Emerald Cut, VS
7.7 x 7.6 mm
$ 123.32
3.34ct Multicolor Opal, Fancy, Translucent
13.1 x 9.5 mm
$ 93.14
3.36ct Orange Sphalerite, Emerald Cut, SI
9.3 x 6.5 mm
$ 167.33
3.03ct Blue Tanzanite, Marquise, VS
13.9 x 6.4 mm
$ 875.19
3.34ct Blue Sapphire, Oval, VS
9 x 7 mm (calibrated)
$ 6,098.84
3.27ct Pink Tourmaline, Emerald Cut, VS-SI
10.7 x 6.2 mm
$ 206.00
3.10ct Brown Cat'S Eye Scapolite, Round, Translucent
9 mm (calibrated)
$ 16.98
3.05ct Turquoise Grandidierite, Emerald Cut, SI
13 x 6.9 mm
$ 133.66
3.26ct Yellow Cat'S Eye Opal, Oval, Opaque
11.6 x 6.8 mm
$ 9.74
3.38ct Red Ruby, Flower Cut, Opaque
12.3 x 8.7 mm
$ 56.11
3.38ct Turquoise Fluorite, Pear Shape, Transparent
10 x 8.9 mm
$ 13.46
3.28ct White Zircon, Oval, VS
8.3 x 6.4 mm
$ 77.52
3.24ct Orange Spessartite Garnet, Oval, Transparent
9.6 x 7.7 mm
$ 67.23
3.31ct Orange Andesine Labradorite, Pear Shape, Transparent
11.9 x 8.7 mm
$ 72.53
3.36ct Red Ruby, Fancy, Opaque
13.1 x 10.5 mm
$ 55.78
3.36ct Violet Amethyst, Oval, Transparent
10.6 x 8.7 mm
$ 20.08
3.06ct Pink Tourmaline, Emerald Cut, SI
9 x 6.3 mm
$ 192.77
3.05ct Yellow Color-Change Diaspore, Cushion, VVS-VS
15.3 x 4.8 mm
$ 835.40
3.07ct White Zircon, Oval, VS
8.8 x 6.3 mm
$ 72.55
3.01ct Green Tourmaline, Emerald Cut, VS
22.4 x 4 mm
$ 148.40
3.09ct White Zircon, Oval, VS
9 x 7 mm (calibrated)
$ 83.66
3.24ct Blue Sapphire, Oval, VS
10.1 x 8.6 mm
$ 8,519.39
3.15ct Green Agate, Flower Cut, Transparent
17.9 x 8.7 mm
$ 8.63
3.43ct Yellow Cat'S Eye Opal, Oval, Opaque
10.4 x 8.6 mm
$ 10.25
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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 
Great experience. I can't wait to explore on the website further.
Overall Rating -> 10
My whole experience is great.
Overall Rating -> 10
So far So good
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Overall Rating -> 9 
Ita's a pretty good and simple way to find gems that youa're looking for amazing selection
Overall Rating -> 10
Excellent options
