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 |
3.20ct Multicolor Opal Triplet, Fancy, Opaque
15.5 x 9.1 mm
$ 79.68
3.35ct Orange Andesine Labradorite, Oval, Transparent
11.7 x 8.4 mm
$ 41.71
3.13ct Red Almandine Garnet, Oval, VS
10.7 x 8.5 mm
$ 109.11
3.03ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 21.12
3.10ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 23.25
3.17ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 20.26
3.49ct Pink Tourmaline, Emerald Cut, VVS-VS
7.7 x 7.2 mm
$ 434.51
3.40ct Multicolor Labradorite, Pear Shape, Translucent
11 x 9 mm (calibrated)
$ 7.52
3.21ct Purple Ruby, Fancy, Opaque
14.1 x 10.2 mm
$ 63.94
3.20ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 22.31
3.22ct Blue Sapphire, Emerald Cut, VS
11.2 x 7.2 mm
$ 1,603.56
3.48ct Violet Amethyst, Pear Shape, VVS
13 x 9 mm (calibrated)
$ 26.69
3.36ct Multicolor Pietersite, Round, Opaque
11 mm (calibrated)
$ 7.93
3.41ct Violet Amethyst, Pear Shape, VVS-VS
13 x 9 mm (calibrated)
$ 26.15
3.31ct Violet Amethyst, Round, VVS
10 mm (calibrated)
$ 25.39
3.02ct Brown Tiger'S Eye, Oval, Opaque
10 x 8 mm (calibrated)
$ 3.00
3.15ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.10
3.19ct Green Tourmaline, Emerald Cut, VS
28.4 x 3.6 mm
$ 95.32
3.07ct Orange Sapphire, Oval, VS
8.4 x 7.3 mm
$ 700.73
3.40ct Green Prehnite, Flower Cut, Transparent/Translucent
9.6 x 9.5 mm
$ 9.31
3.13ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 20.58
3.16ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.24
3.48ct Red Almandine Garnet, Pear Shape, VS
12 x 8 mm (calibrated)
$ 28.88
3.32ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.90
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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 
Recomendado Totalmente Los Productos Se Entregaron A Tiempo
Overall Rating -> 10
I loved it! Extensive inventory, great prices, I definitely will be buying from here again!
Overall Rating -> 10
Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.
Overall Rating -> 10
Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!
Overall Rating -> 8 
I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.
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.
