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 |
3.00ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.72
3.00ct Green Agate, Flower Cut, Translucent
16.7 x 9.1 mm
$ 9.90
3.05ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 29.28
3.40ct Green Agate, Oval, Translucent
11 x 9 mm (calibrated)
$ 6.73
3.34ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 8.02
3.38ct Green Sapphire, Oval, VVS-VS
10 x 8 mm (calibrated)
$ 2,239.73
3.22ct Multicolor Pietersite, Round, Opaque
10.5 mm
$ 9.38
3.05ct Pink Rose Quartz, Emerald Cut, Transparent
9 x 9 mm (calibrated)
$ 20.14
3.30ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 27.72
3.37ct Yellow Citrine, Emerald Cut, VVS-VS
11 x 9 mm (calibrated)
$ 31.14
3.47ct White Moonstone, Oval, Transparent
11 x 9 mm (calibrated)
$ 36.65
3.46ct Black Star Diopside, Round, Opaque
9 mm (calibrated)
$ 20.76
3.19ct Blue Topaz, Heart, VVS
9 x 9 mm (calibrated)
$ 27.37
3.39ct Turquoise Aquamarine, Pear Shape, Translucent
11.4 x 7.6 mm
$ 237.30
3.12ct Yellow Citrine, Pear Shape, VVS
12.7 x 8 mm
$ 18.72
3.46ct Multicolor Labradorite, Baguette, Translucent
9 x 7 mm (calibrated)
$ 5.72
3.33ct Yellow Citrine, Pear Shape, VVS-VS
12 x 10 mm (calibrated)
$ 25.19
3.34ct Multicolor Opal Triplet, Fancy, Opaque
15.3 x 9 mm
$ 100.20
3.02ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 28.99
3.01ct Red Zircon, Oval, VVS-VS
8.9 x 6.7 mm
$ 185.59
3.40ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 28.56
3.20ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 26.88
3.19ct Pink Coral, Flower Cut, Opaque
13.7 x 9.7 mm
$ 57.75
3.39ct Yellow Prehnite, Oval, Transparent/Translucent
10 x 7 mm (calibrated)
$ 38.30
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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 
The website has a good selection, the interface is very intuitive.
Overall Rating -> 10
Good selection prices are reasonable!
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Overall Rating -> 10
I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Overall Rating -> 10
Love, and have always loved, your website.
