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 |
3.24ct Orange Spessartite Garnet, Oval, Transparent
9.6 x 7.7 mm
$ 67.23
3.26ct Yellow Cat'S Eye Opal, Oval, Opaque
11.6 x 6.8 mm
$ 9.74
3.38ct Turquoise Fluorite, Pear Shape, Transparent
10 x 8.9 mm
$ 13.46
3.03ct Blue Tanzanite, Marquise, VS
13.9 x 6.4 mm
$ 875.19
3.27ct Pink Tourmaline, Emerald Cut, VS-SI
10.7 x 6.2 mm
$ 206.00
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
3.34ct Multicolor Opal, Fancy, Translucent
13.1 x 9.5 mm
$ 93.14
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
3.03ct Yellow Apatite, Emerald Cut, VS
7.7 x 7.6 mm
$ 123.32
3.34ct Blue Sapphire, Oval, VS
9 x 7 mm (calibrated)
$ 6,098.84
3.31ct Orange Andesine Labradorite, Pear Shape, Transparent
11.9 x 8.7 mm
$ 72.53
3.28ct White Zircon, Oval, VS
8.3 x 6.4 mm
$ 77.52
3.36ct Red Ruby, Fancy, Opaque
13.1 x 10.5 mm
$ 55.78
3.38ct Red Ruby, Flower Cut, Opaque
12.3 x 8.7 mm
$ 56.11
3.15ct Green Agate, Flower Cut, Transparent
17.9 x 8.7 mm
$ 8.63
3.01ct Green Tourmaline, Emerald Cut, VS
22.4 x 4 mm
$ 148.40
3.06ct Pink Tourmaline, Emerald Cut, SI
9 x 6.3 mm
$ 192.77
3.43ct Yellow Cat'S Eye Opal, Oval, Opaque
10.4 x 8.6 mm
$ 10.25
3.09ct White Zircon, Oval, VS
9 x 7 mm (calibrated)
$ 83.66
3.05ct Yellow Color-Change Diaspore, Cushion, VVS-VS
15.3 x 4.8 mm
$ 835.40
3.24ct Blue Sapphire, Oval, VS
10.1 x 8.6 mm
$ 8,519.39
3.07ct White Zircon, Oval, VS
8.8 x 6.3 mm
$ 72.55
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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 
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
Overall Rating -> 10
Very food
Overall Rating -> 10
They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.
Overall Rating -> 8 
The website was easy to use and there were a lot of good options, I was satisfied.
Overall Rating -> 10
Very good.
Overall Rating -> 10
I loved it! Extensive inventory, great prices, I definitely will be buying from here again!
