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 |
3.15ct Yellow Sapphire, Round, VS-SI
9 mm (calibrated)
$ 1,784.65
3.32ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 23.15
3.25ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 28.13
3.02ct Violet Amethyst, Heart, VS
10 x 10 mm (calibrated)
$ 23.16
3.24ct Red Andesine Labradorite, Pear Shape, Transparent
11 x 9 mm (calibrated)
$ 40.34
3.24ct Green Opal, Round, Opaque
10 mm (calibrated)
$ 7.52
3.43ct Purple Star Ruby, Oval, Opaque
10 x 8 mm (calibrated)
$ 158.41
3.20ct Yellow Citrine, Emerald Cut, VVS-VS
10.7 x 8.6 mm
$ 24.54
3.44ct Red Andesine Labradorite, Cushion, Transparent
12 x 8.5 mm
$ 42.83
3.23ct Green Agate, Flower Cut, Translucent
17.3 x 8.8 mm
$ 8.86
3.06ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 20.12
3.01ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 26.05
3.26ct Green Malachite, Oval, Opaque
9.5 x 7.1 mm
$ 3.25
3.38ct Bi-Color Ametrine, Emerald Cut, VS
10 x 8 mm (calibrated)
$ 35.46
3.07ct Yellow Citrine, Cushion, VVS-VS
12.6 x 8.2 mm
$ 23.55
3.15ct Pink Tourmaline, Emerald Cut, VS
9.6 x 6.6 mm
$ 155.31
3.21ct Blue Tanzanite, Oval, Translucent
9 x 7 mm (calibrated)
$ 27.78
3.17ct Yellow Citrine, Emerald Cut, VVS
14 x 7.1 mm
$ 22.10
3.23ct Blue Topaz, Square, VVS
8 x 8 mm (calibrated)
$ 22.81
3.36ct Green Agate, Fancy, Translucent
19.8 x 9.3 mm
$ 9.20
3.26ct Multicolor Opal Triplet, Fancy, Opaque
15.5 x 9.1 mm
$ 81.17
3.22ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.15
3.08ct Blue Topaz, Marquise, VS
14.9 x 7.2 mm
$ 23.62
3.29ct Red Zircon, Oval, VS
9 x 7 mm (calibrated)
$ 158.60
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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 
GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Overall Rating -> 10
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
Overall Rating -> 10
Very good. I have made several purchases as a collector over the years, and have never been dissapointed in the selection, process, or delivery.
Overall Rating -> 9 
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
