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 |
3.09ct Violet Amethyst, Oval, Transparent
10 x 8 mm (calibrated)
$ 18.47
3.09ct Turquoise Grandidierite, Oval, Translucent
9.6 x 7.4 mm
$ 169.27
3.41ct Yellow Quartz, Fancy, Transparent
12.6 x 9.4 mm
$ 11.21
3.11ct Multicolor Opal Triplet, Fancy, Opaque
15.3 x 8.9 mm
$ 77.44
3.43ct Pink Strawberry Quartz, Oval, Translucent
10 x 8 mm (calibrated)
$ 26.30
3.08ct Red Almandine Garnet, Emerald Cut, VVS-VS
10 x 6.5 mm
$ 89.47
3.45ct Yellow Citrine, Emerald Cut, Transparent
12 x 10 mm (calibrated)
$ 26.46
3.39ct Blue Kyanite, Oval, SI
10 x 8 mm (calibrated)
$ 84.41
3.21ct Yellow Sphene, Oval, Transparent
9.3 x 8.2 mm
$ 15.99
3.14ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 22.46
3.27ct Multicolor Labradorite, Marquise, Translucent
13.9 x 6.7 mm
$ 7.23
3.07ct Green Agate, Flower Cut, Translucent
15.6 x 8.9 mm
$ 8.42
3.05ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.30
3.22ct Red Almandine Garnet, Pear Shape, VS
12 x 8 mm (calibrated)
$ 120.27
3.05ct Red Andesine Labradorite, Oval, Transparent/Translucent
10 x 8 mm (calibrated)
$ 33.42
3.47ct Yellow Citrine, Oval, VVS-VS
12 x 10 mm (calibrated)
$ 27.65
3.25ct Brown Moonstone, Flower Cut, Translucent
10 x 10 mm (calibrated)
$ 14.24
3.20ct Red Star Ruby, Oval, Opaque
9.7 x 7.6 mm
$ 147.78
3.20ct Violet Amethyst, Round, VVS
10 mm (calibrated)
$ 24.54
3.41ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 25.58
3.45ct Brown Mother Of Pearl, Fancy, Opaque
19.6 x 13.2 mm
$ 7.95
3.13ct Yellow Quartz, Flower Cut, Transparent
10 x 10 mm (calibrated)
$ 10.29
3.38ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 20.67
3.46ct Yellow Rutile Topaz, Pear Shape, Transparent
12.8 x 7.6 mm
$ 71.80
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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 
There is NOPLACE else I'd rather buy gemstones. Every single aspect exceeds expectations
Overall Rating -> 10
Always get a nice gemstone. Just like the picture. Never disappointed
Overall Rating -> 10
I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.
Overall Rating -> 10
I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.
Overall Rating -> 10
Although the stones are smaller than I thought, I really don't think in millimeters, they are perfect. I plan to put one into a ring and the other into a necklace. Ordering was easy, contact kept me aware of how shipping was going, and delivery was sooner than expected. The quality of stones I have ordered in the past and this recent order is outstanding and stones I will be proud to wear.
Overall Rating -> 9 
Fast snd easy to find what I was looking for
