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 |
3.42ct Orange Sunstone, Round, Transparent
10 mm (calibrated)
$ 19.93
3.24ct Multicolor Opal Triplet, Fancy, Opaque
17.2 x 8.3 mm
$ 80.68
3.19ct Pink Strawberry Quartz, Round, Transparent
10 mm (calibrated)
$ 26.05
3.41ct Multicolor Pietersite, Marquise, Translucent
16.6 x 6.7 mm
$ 10.19
3.35ct Yellow Rutile Quartz, Marquise, Transparent
13.8 x 6.9 mm
$ 9.02
3.17ct Green Agate, Flower Cut, Translucent
16.4 x 8.9 mm
$ 8.68
3.06ct Blue Topaz, Heart, VVS-VS
9 x 9 mm (calibrated)
$ 21.33
3.22ct Multicolor Labradorite, Baguette, Translucent
9 x 7 mm (calibrated)
$ 4.42
3.37ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 25.28
3.27ct Yellow Citrine, Square, VS
8.7 x 8.5 mm
$ 17.92
3.20ct Green Druzy Variscite, Fancy, Opaque
15 x 10.9 mm
$ 15.11
3.23ct Yellow Citrine, Flower Cut, Transparent
10 x 10 mm (calibrated)
$ 24.77
3.00ct Multicolor Labradorite, Baguette, Translucent
9 x 7 mm (calibrated)
$ 3.44
3.32ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 6.62
3.20ct Red Almandine Garnet, Pear Shape, VVS-VS
12 x 8 mm (calibrated)
$ 26.56
3.36ct Multicolor Fire Agate, Fancy, Translucent
11.5 x 10.7 mm
$ 29.23
3.32ct Blue Zircon, Round, VVS-VS
7.5 mm (calibrated)
$ 360.10
3.18ct Multicolor Labradorite, Baguette, Translucent
9 x 7 mm (calibrated)
$ 6.97
3.03ct Blue Chalcedony, Oval, Transparent
10.4 x 9 mm
$ 6.03
3.00ct Green Agate, Flower Cut, Translucent
16.7 x 9.1 mm
$ 8.22
3.12ct Yellow Apatite, Oval, VS
11 x 9 mm (calibrated)
$ 102.55
3.03ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 22.71
3.13ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 21.82
3.02ct Violet Amethyst, Oval, Transparent
10 x 8 mm (calibrated)
$ 18.04
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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 was able to find what I wanted very easily!
Overall Rating -> 10
They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.
Overall Rating -> 9 
Plan on purchasing on an ongoing basis. So far.....so good....
Overall Rating -> 10
Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!
Overall Rating -> 10
My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.
Overall Rating -> 10
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
