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 |
3.31ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 34.51
3.23ct Yellow Apatite, Emerald Cut, VS
9.8 x 8.4 mm
$ 199.20
3.02ct Yellow Sillimanite, Oval, VS
10 x 8 mm (calibrated)
$ 151.00
3.29ct Pink Rose Quartz, Emerald Cut, Transparent
9.6 x 9.5 mm
$ 21.72
3.36ct Multicolor Pietersite, Marquise, Opaque
19.5 x 7.4 mm
$ 9.79
3.25ct Brown Moonstone, Flower Cut, Translucent
10 x 10 mm (calibrated)
$ 17.16
3.20ct Yellow Citrine, Oval, VS
10.9 x 7.8 mm
$ 25.34
3.00ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.08
3.08ct Orange Pyrope Garnet, Fancy, Translucent
13.7 x 8.1 mm
$ 9.31
3.49ct Green Agate, Flower Cut, Translucent
17.7 x 7.6 mm
$ 11.52
3.44ct Green Agate, Oval, Translucent
9.5 x 8.2 mm
$ 4.50
3.34ct Pink Strawberry Quartz, Oval, Translucent
10 x 8 mm (calibrated)
$ 30.86
3.47ct Multicolor Mystic Quartz, Round, VVS
10 mm (calibrated)
$ 20.82
3.12ct Yellow Apatite, Pear Shape, VS-SI
13 x 9 mm (calibrated)
$ 123.55
3.20ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 28.92
3.00ct Multicolor Ruby In Fuchsite, Marquise, Translucent
18.7 x 7.2 mm
$ 26.69
3.20ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 30.71
3.30ct Black Star Sapphire, Oval, Opaque
10 x 8 mm (calibrated)
$ 71.28
3.20ct Green Druzy Variscite, Fancy, Opaque
15 x 10.9 mm
$ 18.20
3.10ct Yellow Citrine, Oval, VVS-VS
12 x 8.7 mm
$ 28.64
3.19ct Green Tourmaline, Emerald Cut, VS
21.8 x 4.2 mm
$ 126.32
3.31ct Brown Tiger'S Eye, Oval, Opaque
10 x 8 mm (calibrated)
$ 3.97
3.18ct Red Ruby, Oval, VS
9 x 7 mm (calibrated)
$ 190.80
3.39ct Multicolor Opal Triplet, Fancy, Opaque
15.6 x 9.1 mm
$ 101.70
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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 
I am filling a small treasure chest and picked a nice amethyst.
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 -> 9 
They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!
Overall Rating -> 10
good navigation and simple interface.
Overall Rating -> 8 
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Overall Rating -> 9
It was fine . Wish there had been more round stones to select from
