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 |
3.46ct Red Zircon, Fancy, VVS
8.8 x 8.5 mm
$ 311.40
3.21ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 30.82
3.07ct Multicolor Opal, Oval, Transparent
13.5 x 10.1 mm
$ 92.10
3.43ct Blue Topaz, Marquise, VVS-VS
15.1 x 6.7 mm
$ 31.69
3.47ct Pink Andesine Labradorite, Oval, Transparent
11.7 x 8.9 mm
$ 52.05
3.23ct Violet Amethyst, Round, VS
10 mm (calibrated)
$ 29.84
3.03ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.45
3.26ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 27.38
3.36ct White Zircon, Oval, VVS
9 x 6 mm (calibrated)
$ 110.88
3.30ct Yellow Citrine, Square, VVS-VS
9 x 9 mm (calibrated)
$ 30.49
3.14ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 27.06
3.01ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 19.87
3.29ct Green Prehnite, Oval, Transparent/Translucent
9.4 x 8.3 mm
$ 30.40
3.18ct Multicolor Fire Agate, Fancy, Opaque
10 x 8 mm (calibrated)
$ 49.07
3.22ct Yellow Citrine, Pear Shape, VVS
11.9 x 8.5 mm
$ 21.25
3.49ct Brown Smoky Quartz, Baguette, VVS-VS
12 x 8 mm (calibrated)
$ 18.43
3.48ct Multicolor Black Opal, Pear Shape, Translucent
15.3 x 11.2 mm
$ 122.15
3.35ct Multicolor Opal Triplet, Fancy, Opaque
15.6 x 9.2 mm
$ 100.50
3.04ct Yellow Citrine, Oval, VVS-VS
12 x 8 mm (calibrated)
$ 28.09
3.23ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 27.13
3.31ct Green Agate, Oval, Translucent
10 x 8 mm (calibrated)
$ 4.33
3.36ct Multicolor Pietersite, Round, Opaque
11 mm (calibrated)
$ 9.55
3.15ct Pink Tourmaline, Emerald Cut, VS
9.6 x 6.6 mm
$ 187.12
3.16ct Pink Morganite, Oval, Transparent
11.9 x 7.2 mm
$ 41.71
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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 
Enjoy viewing the selections. Excellent product
Overall Rating -> 10
So far So good
Overall Rating -> 10
Easy to use website
Overall Rating -> 10
Found a rock that met my need. Bought it!
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
I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.
