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 |
3.45ct Brown Smoky Quartz, Baguette, VVS-VS
12 x 8 mm (calibrated)
$ 11.35
3.40ct Multicolor Labradorite, Pear Shape, Translucent
14 x 9 mm (calibrated)
$ 7.52
3.19ct White Topaz, Oval, VVS-VS
10 x 8 mm (calibrated)
$ 17.48
3.46ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 6.89
3.41ct Yellow Apatite, Baguette, VS
12.4 x 7.3 mm
$ 112.08
3.16ct Violet Amethyst, Oval, Transparent
11 x 9 mm (calibrated)
$ 18.88
3.41ct Multicolor Black Opal, Cushion, Translucent
14 x 8.2 mm
$ 103.80
3.49ct Turquoise Fluorite, Pear Shape, Transparent
11 x 8.4 mm
$ 14.88
3.19ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.41
3.24ct Yellow Apatite, Emerald Cut, VS
8 x 8 mm (calibrated)
$ 131.88
3.17ct Yellow Rutile Quartz, Pear Shape, Translucent
10 x 7 mm (calibrated)
$ 8.55
3.02ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.16
3.26ct Multicolor Pietersite, Trillion, Opaque
14.5 x 13.1 mm
$ 7.70
3.19ct Red Ruby, Round, VS-SI
8 mm (calibrated)
$ 285.95
3.38ct Yellow Quartz, Flower Cut, Transparent
11.5 x 11.3 mm
$ 12.96
3.16ct Green Apatite, Emerald Cut, VS
9 x 9 mm (calibrated)
$ 162.71
3.23ct Multicolor Opal Triplet, Fancy, Opaque
15.6 x 9.1 mm
$ 80.43
3.08ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.09
3.28ct Red Pyrope Garnet, Fancy, Transparent
13.3 x 10.8 mm
$ 7.19
3.37ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.50
3.11ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 6.19
3.28ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.60
3.32ct Orange Carnelian, Oval, Translucent
11 x 9 mm (calibrated)
$ 16.60
3.24ct Blue Topaz, Emerald Cut, VVS-VS
8 x 8 mm (calibrated)
$ 22.87
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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 -> 9 
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
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 -> 10 
My experience was done with ease
Overall Rating -> 7 
Could not get it to work 25 times.
Overall Rating -> 10
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 10
Easy to use website
