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 |
3.02ct Multicolor Opal, Cushion, Transparent
14 x 9 mm (calibrated)
$ 135.36
3.29ct Pink Rose Quartz, Emerald Cut, Transparent
9.6 x 9.5 mm
$ 18.03
3.44ct Yellow Sphene, Oval, Translucent
10 x 8 mm (calibrated)
$ 18.84
3.01ct Red Tourmaline, Oval, Transparent
9 x 7 mm (calibrated)
$ 51.59
3.08ct Pink Andesine Labradorite, Cushion, Transparent
9.3 x 9 mm
$ 38.35
3.40ct White Moonstone, Oval, Translucent
11.2 x 8.2 mm
$ 31.04
3.16ct Purple Ruby, Flower Cut, Opaque
12.6 x 7.4 mm
$ 62.95
3.20ct Green Druzy Variscite, Fancy, Opaque
15 x 10.9 mm
$ 15.11
3.13ct Yellow Beryl, Oval, VVS
11 x 9 mm (calibrated)
$ 68.58
3.45ct Violet Amethyst, Pear Shape, VS
13 x 9 mm (calibrated)
$ 26.46
3.34ct Green Agate, Oval, Translucent
10 x 8 mm (calibrated)
$ 3.63
3.29ct Yellow Quartz, Flower Cut, Transparent
10 x 10 mm (calibrated)
$ 8.83
3.28ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.60
3.31ct Multicolor Fire Agate, Fancy, Opaque
10.3 x 9.5 mm
$ 25.96
3.32ct Multicolor Opal Doublet, Pear Shape, Opaque
18.2 x 8.3 mm
$ 98.62
3.38ct Yellow Rutile Quartz, Oval, Translucent
10 x 8 mm (calibrated)
$ 9.11
3.49ct Turquoise Fluorite, Pear Shape, Transparent
11 x 8.4 mm
$ 14.88
3.47ct Violet Amethyst, Round, VVS
10 mm (calibrated)
$ 26.61
3.07ct Multicolor Opal, Oval, Transparent
13.5 x 10.1 mm
$ 76.44
3.38ct Yellow Tourmaline, Oval, Transparent
10 x 8 mm (calibrated)
$ 61.71
3.01ct Pink Tourmaline, Emerald Cut, VS
11.2 x 6.7 mm
$ 148.40
3.19ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 22.24
3.05ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 21.26
3.09ct Yellow Citrine, Fancy, VVS-VS
8.2 x 7 mm
$ 23.70
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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 love the product and the details about each of them.
Overall Rating -> 10
The stones are very nice.
Overall Rating -> 10
I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.
Overall Rating -> 10
It was good. There was a large selection at prices I could afford.
Overall Rating -> 9 
I loved the selection of gemstones you have a to z
Overall Rating -> 9
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
