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 |
3.44ct Multicolor Ammolite, Baguette, Opaque
12 x 7 mm
$ 68.52
3.38ct Red Andesine Labradorite, Oval, Transparent
11 x 9 mm (calibrated)
$ 42.08
3.28ct Multicolor Opal Triplet, Fancy, Opaque
16.8 x 8.2 mm
$ 81.67
3.18ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 22.17
3.39ct Multicolor Opal, Cushion, Transparent
12.4 x 8.5 mm
$ 78.00
3.04ct Multicolor Opal Triplet, Fancy, Opaque
17 x 8.3 mm
$ 75.70
3.21ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 24.07
3.31ct Green Agate, Oval, Translucent
10 x 8 mm (calibrated)
$ 3.59
3.07ct Green Prehnite, Oval, Transparent
8.7 x 8 mm
$ 15.17
3.19ct White Topaz, Oval, VVS-VS
10 x 8 mm (calibrated)
$ 17.48
3.17ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 24.31
3.21ct Yellow Citrine, Pear Shape, VVS-VS
12.7 x 7.9 mm
$ 24.62
3.06ct Golden Andesine Labradorite, Pear Shape, Transparent
10 x 8 mm (calibrated)
$ 17.78
3.07ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 16.82
3.28ct Multicolor Opal, Oval, Translucent
15.2 x 8.9 mm
$ 81.67
3.30ct Multicolor Black Opal, Oval, Opaque
14.7 x 11 mm
$ 96.14
3.02ct Blue Tanzanite, Oval, Transparent
10 x 8 mm (calibrated)
$ 24.06
3.18ct Yellow Citrine, Oval, VS
11 x 9 mm (calibrated)
$ 20.91
3.00ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.01
3.03ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 21.12
3.46ct Yellow Citrine, Oval, VVS-VS
11.8 x 8.9 mm
$ 26.54
3.47ct Yellow Citrine, Oval, VVS-VS
11 x 9 mm (calibrated)
$ 22.81
3.28ct Yellow Citrine, Oval, VVS
11 x 9 mm (calibrated)
$ 22.87
3.05ct Violet Amethyst, Marquise, VVS
15.2 x 7.2 mm
$ 21.26
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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 
overall great
Overall Rating -> 10
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Overall Rating -> 8 
Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.
Overall Rating -> 10
Found a rock that met my need. Bought it!
Overall Rating -> 9 
I loved the selection of gemstones you have a to z
