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 |
3.03ct Purple Cat'S Eye Tourmaline, Cushion, Translucent
10.3 x 6.6 mm
$ 452.68
3.19ct Orange Sunstone, Round, Transparent
10 mm (calibrated)
$ 18.59
3.31ct Green Apatite, Emerald Cut, VS
9 x 9 mm (calibrated)
$ 170.45
3.45ct Yellow Citrine, Square, VVS-VS
9 x 9 mm (calibrated)
$ 26.46
3.48ct Purple Ruby, Fancy, Opaque
12.7 x 7.4 mm
$ 69.32
3.10ct Multicolor Pietersite, Trillion, Opaque
12.8 x 12 mm
$ 7.50
3.49ct Pink Tourmaline, Emerald Cut, VVS-VS
7.7 x 7.2 mm
$ 434.51
3.11ct Green Agate, Oval, Translucent
10.5 x 7.9 mm
$ 3.38
3.09ct Turquoise Grandidierite, Oval, Translucent
9.8 x 8.8 mm
$ 169.27
3.40ct Red Ruby, Oval, VS-SI
10 x 8 mm (calibrated)
$ 304.78
3.31ct Bi-Color Ametrine, Emerald Cut, VVS-VS
10 x 8 mm (calibrated)
$ 34.73
3.11ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 6.19
3.14ct Red Almandine Garnet, Pear Shape, VVS
12 x 8 mm (calibrated)
$ 117.28
3.06ct Red Zircon, Oval, VVS
9 x 7 mm (calibrated)
$ 147.51
3.23ct Violet Amethyst, Oval, VS
10.8 x 8.2 mm
$ 25.74
3.34ct White Topaz, Oval, VVS
10 x 8 mm (calibrated)
$ 23.29
3.09ct Yellow Quartz, Round, VS
10 mm (calibrated)
$ 24.72
3.11ct Multicolor Opal Triplet, Fancy, Opaque
15.3 x 8.9 mm
$ 77.44
3.03ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 21.68
3.45ct Yellow Citrine, Emerald Cut, VVS-VS
12 x 8 mm (calibrated)
$ 24.05
3.30ct Red Zircon, Oval, VVS
9 x 7 mm (calibrated)
$ 132.57
3.46ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 18.96
3.36ct Green Agate, Fancy, Translucent
19.8 x 9.3 mm
$ 9.20
3.36ct Multicolor Pietersite, Round, Opaque
11 mm (calibrated)
$ 7.93
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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 
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
