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 |
3.08ct Blue Topaz, Marquise, VS
14.9 x 7.2 mm
$ 28.46
3.16ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 30.34
3.25ct Brown Rutile Quartz, Round, Transparent
9 mm (calibrated)
$ 12.88
3.29ct Yellow Quartz, Oval, Transparent
11.4 x 8.2 mm
$ 3.29
3.07ct Blue Kyanite, Cushion, SI
10.9 x 6.7 mm
$ 92.10
3.25ct Orange Spessartite Garnet, Oval, Transparent
8.3 x 7.3 mm
$ 97.50
3.05ct Orange Hessonite Garnet, Oval, VS-SI
9.6 x 7.9 mm
$ 54.79
3.36ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 25.30
3.20ct Red Star Ruby, Oval, Opaque
9.7 x 7.6 mm
$ 178.05
3.18ct Yellow Apatite, Emerald Cut, VS
8.5 x 8.4 mm
$ 156.86
3.27ct Violet Amethyst, Pear Shape, VVS
14 x 9 mm (calibrated)
$ 27.47
3.12ct Green Malachite, Oval, Opaque
9 x 7 mm (calibrated)
$ 2.88
3.19ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 30.62
3.00ct Yellow Beryl, Oval, VVS
10.9 x 8.6 mm
$ 79.20
3.06ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 28.27
3.13ct Multicolor Opal Triplet, Fancy, Opaque
15.5 x 9 mm
$ 93.90
3.40ct Multicolor Labradorite, Pear Shape, Translucent
11 x 9 mm (calibrated)
$ 9.06
3.12ct Red Star Ruby, Round, Opaque
8 mm (calibrated)
$ 59.90
3.01ct Blue Tanzanite, Oval, Transparent
9 x 7 mm (calibrated)
$ 31.39
3.19ct Yellow Citrine, Square, VS
9 x 9 mm (calibrated)
$ 25.26
3.04ct Blue Tanzanite, Oval, Transparent
9 x 7 mm (calibrated)
$ 31.70
3.39ct Yellow Sapphire, Pear Shape, VS
10 x 8.9 mm
$ 1,017.00
3.14ct Turquoise Fluorite, Oval, Transparent
9.3 x 7.4 mm
$ 16.13
3.39ct Green Agate, Fancy, Transparent
17.3 x 9.3 mm
$ 11.20
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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 
Good, hope gem quality is good and genuine
Overall Rating -> 10
I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.
Overall Rating -> 10
All good
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Overall Rating -> 8 
Good prices
Overall Rating -> 9 
Fast and reliable service.
