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 |
3.45ct Pink Rose Quartz, Emerald Cut, Transparent
10 x 10 mm (calibrated)
$ 18.91
3.24ct Yellow Color-Change Diaspore, Pear Shape, VS-SI
11.3 x 7.9 mm
$ 887.44
3.06ct Green Agate, Flower Cut, Translucent
18.4 x 8.6 mm
$ 8.38
3.33ct Red Almandine Garnet, Pear Shape, VS
12 x 8 mm (calibrated)
$ 124.38
3.13ct Yellow Opal, Oval, Opaque
10.2 x 8.8 mm
$ 15.65
3.44ct Green Tourmaline, Emerald Cut, VVS-VS
18.6 x 4.7 mm
$ 94.22
3.28ct Violet Amethyst, Fancy, VS-SI
10 x 10 mm (calibrated)
$ 26.14
3.30ct Yellow Citrine, Square, VVS-VS
9 x 9 mm (calibrated)
$ 25.31
3.21ct Brown Rutile Quartz, Round, Transparent
9 mm (calibrated)
$ 10.55
3.25ct Multicolor Labradorite, Baguette, Translucent
9 x 7 mm (calibrated)
$ 4.47
3.32ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 6.62
3.06ct Orange Sunstone, Oval, Transparent
11 x 9 mm (calibrated)
$ 18.41
3.35ct Multicolor Ammolite, Pear Shape, Opaque
11.8 x 8.8 mm
$ 66.73
3.10ct Brown Smoky Quartz, Marquise, VVS
18.1 x 7.1 mm
$ 18.53
3.38ct Yellow Agate, Oval, Translucent
11 x 9 mm (calibrated)
$ 5.05
3.02ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.06
3.28ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 14.38
3.02ct White Moonstone, Oval, Translucent
10 x 8 mm (calibrated)
$ 26.48
3.06ct Violet Amethyst, Briolette, VS
9.4 x 7.8 mm
$ 13.40
3.26ct Red Andesine Labradorite, Oval, Transparent/Translucent
11 x 9 mm (calibrated)
$ 42.86
3.40ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 18.63
3.47ct Red Almandine Garnet, Oval, VVS-VS
9.8 x 7.5 mm
$ 100.80
3.20ct Yellow Citrine, Oval, VS
10.9 x 7.8 mm
$ 21.03
3.49ct Pink Tourmaline, Emerald Cut, VS
9.5 x 6.6 mm
$ 143.39
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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 
hassle free experience.
Overall Rating -> 10
Very pleasant
Overall Rating -> 9 
I think therea's no problem
Overall Rating -> 10
Web site is very simple to navigate Selection is terrific
Overall Rating -> 10
My whole experience is great.
Overall Rating -> 10
Very good. I have made several purchases as a collector over the years, and have never been dissapointed in the selection, process, or delivery.
