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 |
3.16ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 30.34
3.38ct Green Prehnite, Oval, Transparent
8.9 x 8.2 mm
$ 26.18
3.07ct Red Andesine Labradorite, Round, Translucent
9.5 mm (calibrated)
$ 46.05
3.41ct Red Andesine Labradorite, Pear Shape, Transparent
11.6 x 9 mm
$ 51.15
3.49ct Pink Strawberry Quartz, Oval, Translucent
12 x 10 mm (calibrated)
$ 50.26
3.14ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 20.72
3.06ct Red Andesine Labradorite, Oval, Transparent/Translucent
10 x 8 mm (calibrated)
$ 48.47
3.47ct White Cat'S Eye Moonstone, Round, Transparent
8 mm (calibrated)
$ 18.32
3.09ct Multicolor Black Opal, Pear Shape, Transparent
19.1 x 8.7 mm
$ 108.46
3.09ct Turquoise Grandidierite, Oval, Translucent
9.8 x 8.8 mm
$ 203.94
3.07ct Green Agate, Flower Cut, Translucent
15.6 x 8.9 mm
$ 10.14
3.16ct Orange Sapphire, Oval, VS-SI
8.4 x 7.7 mm
$ 1,042.80
3.32ct Multicolor Opal Doublet, Pear Shape, Opaque
18.2 x 8.3 mm
$ 118.82
3.10ct Multicolor Opal Triplet, Fancy, Opaque
17.1 x 8.3 mm
$ 93.00
3.40ct Blue Topaz, Marquise, VVS-VS
14.8 x 7 mm
$ 31.42
3.34ct Green Agate, Oval, Translucent
10.1 x 9.1 mm
$ 4.37
3.34ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 34.82
3.07ct Yellow Citrine, Flower Cut, Transparent
9 x 9 mm (calibrated)
$ 28.37
3.22ct Red Almandine Garnet, Pear Shape, VVS-VS
12 x 8 mm (calibrated)
$ 32.20
3.32ct Pink Andesine Labradorite, Pear Shape, Translucent
9.6 x 9.8 mm
$ 49.80
3.01ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.82
3.05ct Red Ruby, Oval, VS-SI
10 x 8 mm (calibrated)
$ 329.40
3.05ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 25.62
3.43ct Brown Tiger'S Eye, Pear Shape, Opaque
10 x 10 mm (calibrated)
$ 5.35
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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 
It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.
Overall Rating -> 10
Enjoy viewing the selections. Excellent product
Overall Rating -> 10
Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!
Overall Rating -> 10
A pleasant experience and many choices to choose from
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Overall Rating -> 10
overall great
