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 |
3.00ct Blue Chalcedony, Oval, Transparent
10 x 8 mm (calibrated)
$ 5.98
3.41ct Multicolor Pietersite, Marquise, Translucent
16.6 x 6.7 mm
$ 10.19
3.46ct Blue Topaz, Marquise, VVS-VS
15 x 7 mm
$ 28.28
3.35ct Pink Morganite, Pear Shape, VVS-VS
11.3 x 9.7 mm
$ 125.12
3.21ct Red Andesine Labradorite, Cushion, Transparent
10.1 x 9.4 mm
$ 39.96
3.31ct Yellow Citrine, Square, VS
9 x 9 mm (calibrated)
$ 25.39
3.05ct White Topaz, Round, VS
8.5 mm (calibrated)
$ 18.23
3.30ct Violet Amethyst, Pear Shape, VVS
13.5 x 9.4 mm
$ 25.31
3.38ct Violet Amethyst, Pear Shape, VS
13 x 9 mm (calibrated)
$ 25.93
3.30ct Brown Tiger'S Eye, Oval, Opaque
10 x 8 mm (calibrated)
$ 3.29
3.31ct Multicolor Agate, Oval, Opaque
9.7 x 8.8 mm
$ 5.61
3.00ct Multicolor Opal Triplet, Oval, Opaque
12 x 10 mm (calibrated)
$ 74.70
3.09ct Yellow Cat'S Eye Apatite, Oval, Transparent
10.1 x 7.5 mm
$ 23.70
3.21ct Yellow Apatite, Emerald Cut, VVS-VS
9 x 9 mm (calibrated)
$ 165.29
3.21ct White Moonstone, Oval, Translucent
10 x 8 mm (calibrated)
$ 8.78
3.05ct Yellow Citrine, Oval, VVS-VS
10 x 8 mm (calibrated)
$ 16.72
3.35ct Violet Amethyst, Round, VVS-VS
10 mm (calibrated)
$ 25.70
3.23ct Blue Sapphire, Cushion, VVS-VS
8.5 x 8.8 mm
$ 3,217.08
3.12ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 21.75
3.17ct Green Agate, Fancy, Translucent
19 x 9.1 mm
$ 8.68
3.40ct Red Andesine Labradorite, Oval, Translucent
11 x 9 mm (calibrated)
$ 44.70
3.36ct Pink Tourmaline, Emerald Cut, SI
9.5 x 7.4 mm
$ 138.05
3.08ct Green Tourmaline, Emerald Cut, VVS-VS
20.7 x 4 mm
$ 138.05
3.10ct Green Agate, Oval, Translucent
10 x 8 mm (calibrated)
$ 3.37
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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 
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 9 
I think therea's no problem
Overall Rating -> 7 
Easy, quick.
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Overall Rating -> 9
Very good and simple exchange
Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
