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 Violet Amethyst, Pear Shape, VVS
12.3 x 9.1 mm
$ 21.96
3.08ct Black Star Diopside, Oval, Opaque
10 x 8 mm (calibrated)
$ 15.34
3.32ct Red Almandine Garnet, Emerald Cut, VS
8.8 x 6.7 mm
$ 96.45
3.40ct Blue Chalcedony, Oval, Transparent
11 x 9 mm (calibrated)
$ 5.64
3.18ct Blue Topaz, Square, VVS-VS
8 x 8 mm (calibrated)
$ 22.46
3.14ct Yellow Citrine, Square, VS
9 x 9 mm (calibrated)
$ 20.63
3.25ct Yellow Rutile Quartz, Oval, Transparent
12 x 8 mm (calibrated)
$ 8.90
3.28ct Green Prehnite, Pear Shape, Transparent
10.4 x 8 mm
$ 14.86
3.14ct Turquoise Fluorite, Oval, Transparent
9.3 x 7.4 mm
$ 13.39
3.12ct Green Malachite, Oval, Opaque
9 x 7 mm (calibrated)
$ 2.39
3.21ct Multicolor Opal Triplet, Oval, Opaque
12 x 10 mm (calibrated)
$ 79.93
3.25ct Red Almandine Garnet, Pear Shape, VS
12 x 8 mm (calibrated)
$ 121.39
3.10ct Red Almandine Garnet, Pear Shape, VVS-VS
12 x 8 mm (calibrated)
$ 115.79
3.04ct Green Prehnite, Oval, Transparent/Translucent
9 x 7.8 mm
$ 9.00
3.41ct Multicolor Fire Agate, Fancy, Opaque
11.5 x 9.3 mm
$ 26.23
3.23ct Yellow Apatite, Emerald Cut, VS
9.8 x 8.4 mm
$ 165.34
3.32ct Pink Strawberry Quartz, Oval, Translucent
10 x 8 mm (calibrated)
$ 25.46
3.40ct Orange Sunstone, Oval, Translucent
11 x 9 mm (calibrated)
$ 52.15
3.29ct White Zircon, Round, VS
7.5 mm (calibrated)
$ 88.83
3.16ct Pink Strawberry Quartz, Oval, Transparent
11 x 9 mm (calibrated)
$ 23.70
3.39ct Turquoise Aquamarine, Pear Shape, Translucent
11.4 x 7.6 mm
$ 196.96
3.33ct Yellow Sphene, Oval, Transparent
9.3 x 7.7 mm
$ 18.24
3.07ct Yellow Citrine, Flower Cut, Transparent
9 x 9 mm (calibrated)
$ 23.55
3.47ct Red Almandine Garnet, Oval, VVS-VS
9.8 x 7.5 mm
$ 100.80
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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 -> 7 
easy interface for a pricless buy
Overall Rating -> 10 
Great prices!!! High quality gemstones.
Overall Rating -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Overall Rating -> 10
Filters need to be improved but rest of website is great
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
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.
