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 |
3.07ct White Zircon, Oval, VS
8.8 x 6.3 mm
$ 87.41
3.43ct Yellow Cat'S Eye Opal, Oval, Opaque
10.4 x 8.6 mm
$ 12.35
3.02ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.28
3.31ct Turquoise Grandidierite, Oval, Translucent
9.8 x 8.5 mm
$ 873.84
3.27ct Red Almandine Garnet, Pear Shape, VVS
12 x 8 mm (calibrated)
$ 32.70
3.31ct Red Almandine Garnet, Pear Shape, VVS-VS
12 x 8 mm (calibrated)
$ 148.95
3.34ct Black Star Sapphire, Oval, Opaque
9.7 x 7.4 mm
$ 72.14
3.03ct Brown Moonstone, Oval, Translucent
11 x 9 mm (calibrated)
$ 8.04
3.24ct Violet Amethyst, Round, VVS
10 mm (calibrated)
$ 29.94
3.27ct Green Druzy Variscite, Fancy, Opaque
14 x 12.5 mm
$ 18.60
3.10ct Red Fire Opal, Oval, Transparent
12.4 x 9.4 mm
$ 120.26
3.01ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 25.82
3.35ct Multicolor Labradorite, Marquise, Translucent
14 x 7 mm (calibrated)
$ 8.93
3.06ct Orange Andesine Labradorite, Oval, Transparent/Translucent
10 x 8 mm (calibrated)
$ 48.47
3.45ct Brown Tiger'S Eye, Pear Shape, Opaque
10 x 10 mm (calibrated)
$ 5.39
3.11ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 26.12
3.18ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 26.71
3.48ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 22.97
3.42ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 32.83
3.41ct Multicolor Pietersite, Marquise, Translucent
16.6 x 6.7 mm
$ 12.28
3.06ct Yellow Citrine, Fancy, VVS-VS
8 x 6.7 mm
$ 28.27
3.23ct Orange Sapphire, Oval, SI
8.6 x 7.5 mm
$ 1,065.90
3.16ct Red Andesine Labradorite, Pear Shape, Transparent
9.6 x 9.5 mm
$ 47.40
3.40ct Brown Rutile Quartz, Round, Transparent
11 mm (calibrated)
$ 10.28
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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 
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Overall Rating -> 10
Good, hope gem quality is good and genuine
Overall Rating -> 9 
Fast and reliable service.
Overall Rating -> 10
The stones are very nice.
Overall Rating -> 10
selection was broad and the check out was quick. Great site
