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 |
3.02ct Red Andesine Labradorite, Cushion, Translucent
10.8 x 7.7 mm
$ 45.30
3.04ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 7.30
3.48ct Violet Amethyst, Briolette, VS
11.5 x 7.5 mm
$ 18.37
3.22ct Pink Andesine Labradorite, Cushion, Transparent
13 x 7.8 mm
$ 48.30
3.44ct Red Andesine Labradorite, Oval, Transparent/Translucent
11 x 9 mm (calibrated)
$ 54.49
3.34ct Green Agate, Oval, Translucent
10 x 8 mm (calibrated)
$ 4.37
3.11ct Yellow Citrine, Oval, VVS
12.7 x 8.5 mm
$ 28.74
3.02ct Green Agate, Oval, Translucent
9.3 x 7.5 mm
$ 5.98
3.45ct Pink Kunzite, Cushion, VVS
8.5 x 8.1 mm
$ 114.38
3.32ct White Rainbow Moonstone, Oval, Transparent
11 x 9 mm (calibrated)
$ 68.09
3.11ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 24.26
3.18ct Yellow Rutile Topaz, Pear Shape, Transparent
9 x 9 mm (calibrated)
$ 79.50
3.26ct Multicolor Opal Triplet, Fancy, Opaque
15.6 x 9.2 mm
$ 97.80
3.28ct Violet Amethyst, Pear Shape, VS
13 x 9 mm (calibrated)
$ 30.31
3.47ct Orange Sunstone, Oval, Transparent
11 x 9 mm (calibrated)
$ 64.13
3.05ct Brown Tiger'S Eye, Oval, Opaque
10 x 8 mm (calibrated)
$ 3.66
3.07ct White Dendritic Agate, Pear Shape, Opaque
13 x 9 mm (calibrated)
$ 2.46
3.08ct Black Cat'S Eye Scapolite, Round, Translucent
8.5 mm (calibrated)
$ 16.94
3.31ct Multicolor Ruby In Fuchsite, Marquise, Translucent
19.3 x 8.3 mm
$ 29.84
3.36ct Green Agate, Fancy, Translucent
19.8 x 9.3 mm
$ 11.09
3.02ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.90
3.04ct Red Andesine Labradorite, Cushion, Translucent
11.3 x 8.1 mm
$ 45.60
3.05ct White Zircon, Oval, VVS-VS
8.3 x 6.6 mm
$ 72.37
3.00ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 28.80
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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
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Overall Rating -> 10
the selection is good as are the prices
Overall Rating -> 8 
It was fine
Overall Rating -> 10
My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.
Overall Rating -> 10
I love the products. I've bought them as gifts and people love my gifts
