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 |
3.28ct White Zircon, Oval, VS
8.3 x 6.4 mm
$ 77.52
3.10ct Brown Cat'S Eye Scapolite, Round, Translucent
9 mm (calibrated)
$ 16.98
3.38ct Turquoise Fluorite, Pear Shape, Transparent
10 x 8.9 mm
$ 13.46
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
3.03ct Blue Tanzanite, Marquise, VS
13.9 x 6.4 mm
$ 875.19
3.34ct Multicolor Opal, Fancy, Translucent
13.1 x 9.5 mm
$ 93.14
3.34ct Blue Sapphire, Oval, VS
9 x 7 mm (calibrated)
$ 6,098.84
3.03ct Yellow Apatite, Emerald Cut, VS
7.7 x 7.6 mm
$ 123.32
3.26ct Yellow Cat'S Eye Opal, Oval, Opaque
11.6 x 6.8 mm
$ 9.74
3.24ct Orange Spessartite Garnet, Oval, Transparent
9.6 x 7.7 mm
$ 67.23
3.27ct Pink Tourmaline, Emerald Cut, VS-SI
10.7 x 6.2 mm
$ 206.00
3.05ct Turquoise Grandidierite, Emerald Cut, SI
13 x 6.9 mm
$ 133.66
3.36ct Orange Sphalerite, Emerald Cut, SI
9.3 x 6.5 mm
$ 167.33
3.26ct Pink Tourmaline, Emerald Cut, SI
9.8 x 6.7 mm
$ 205.37
3.38ct Red Ruby, Flower Cut, Opaque
12.3 x 8.7 mm
$ 56.11
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
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
3.36ct Violet Amethyst, Oval, Transparent
10.6 x 8.7 mm
$ 20.08
3.09ct White Zircon, Oval, VS
9 x 7 mm (calibrated)
$ 83.66
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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've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Overall Rating -> 10
Great! Affordable
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Overall Rating -> 10
I was able to find what I wanted very easily!
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 
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
