Round Blue Gemstones
Explore a stunning selection of natural round blue gemstones perfect for jewelry and collectors.
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Bi-color
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Black
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Blue Blue Round Gems
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Brown
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Golden
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Gray
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Green
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Multicolor
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
4.41ctw Blue Topaz, Round, VS
8 mm (calibrated)
$ 30.92
5.82ctw Blue Topaz, Round, VVS-VS
9 mm (calibrated)
$ 40.74
4.46ctw Blue Topaz, Round, VVS-VS
8 mm (calibrated)
$ 34.20
0.36ct Blue Kyanite, Round, VS
3.8 mm
$ 6.46
10.78ct Blue Color-Change Fluorite, Round, VS
14 mm (calibrated)
$ 295.26
0.47ct Blue Kyanite, Round, SI
4.2 mm
$ 11.70
2.21ct Blue Topaz, Round, VS
8 mm (calibrated)
$ 14.13
4.11ctw Blue Star Sapphire, Round, Opaque
7 mm (calibrated)
$ 85.56
0.63ct Blue Kyanite, Round, SI
5 mm (calibrated)
$ 15.69
0.70ct Blue Sapphire, Round, VVS-VS
5.5 mm (calibrated)
$ 471.55
0.54ct Blue Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 363.76
0.72ct Blue Kyanite, Round, SI
5 mm (calibrated)
$ 17.93
0.60ct Blue Sapphire, Round, VS
5 mm (calibrated)
$ 404.19
0.75ct Blue Kyanite, Round, SI
6 mm (calibrated)
$ 18.68
0.36ct Blue Kyanite, Round, SI
4 mm (calibrated)
$ 8.96
0.32ctw Blue Tanzanite, Round, VVS-VS
3.2 mm
$ 19.12
0.17ct Blue Iolite, Round, VS
4 mm (calibrated)
$ 6.77
0.66ct Blue Sapphire, Round, VVS
5 mm (calibrated)
$ 370.50
0.97ct Blue Kyanite, Round, VS-SI
6 mm (calibrated)
$ 20.19
0.64ct Blue Sapphire, Round, VS
5 mm (calibrated)
$ 380.96
0.82ct Blue Kyanite, Round, SI
5.2 mm
$ 20.42
0.48ctw Blue Kyanite, Round, VS-SI
3.7 mm
$ 8.61
0.06ct Blue Diamond, Round, VS
2.5 mm (calibrated)
$ 67.07
0.64ct Blue Kyanite, Round, SI
5 mm (calibrated)
$ 15.94
Why Buy Blue Round Gems 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 Round Blue Gemstones
Our natural round blue gemstones are carefully selected for color, clarity, and brilliance. These loose blue round gems include popular varieties such as sapphire, aquamarine, blue topaz, and spinel, offering exceptional beauty for jewelry and gemstone collections.
Loose Blue Round Gems Online
Shop loose blue round gems online with confidence at GemSelect. Every gemstone is photographed individually and includes detailed specifications so you know exactly what you are purchasing.
Round Blue Gemstones for Jewelry
Round blue gemstones are one of the most popular choices for jewelry due to their timeless shape and brilliant sparkle. They are ideal for engagement rings, earrings, pendants, and custom jewelry designs.
Popular Types of Blue Round Gems
Some of the most sought-after round blue gemstones include sapphire, aquamarine, blue topaz, tanzanite, and spinel. Each gemstone offers unique color tones ranging from light sky blue to deep royal blue.
Faceted Round Blue Stones
Faceted round blue stones are cut to maximize brilliance and light reflection. The classic round brilliant cut enhances the natural beauty of blue gemstones, making them sparkle in any jewelry setting.
Calibrated Round Blue Gemstones
Calibrated round blue gemstones are cut to standard sizes such as 4 mm, 5 mm, or 6 mm. These precise sizes make them ideal for jewelry settings that require uniform stones.
Buying Loose Blue Round Gems
Buying loose blue round gems allows you to choose the exact gemstone for your jewelry project. Whether you are designing a ring, pendant, or earrings, loose stones provide flexibility and customization.
Wholesale Blue Round Gemstones
GemSelect offers competitive pricing for both individual buyers and wholesale gemstone purchases. Jewelers and collectors can find high-quality round blue gemstones in a wide range of sizes and price points.
Learn more about the characteristics and varieties of blue gemstones on our Blue Gemstones Information Page.
FAQs
What are the most popular round blue gemstones?
Popular round blue gemstones include sapphire, aquamarine, blue topaz, spinel, and tanzanite. These stones are prized for their vibrant blue colors and durability.
Why are round gemstones popular for jewelry?
The round cut maximizes brilliance and light reflection, making gemstones appear brighter and more sparkling. It is also one of the most classic and versatile shapes for jewelry.
Are round blue gemstones suitable for engagement rings?
Yes, many round blue gemstones such as sapphire are durable enough for engagement rings. Their timeless appearance and vibrant color make them a popular alternative to diamonds.
Do round blue gemstones come in calibrated sizes?
Yes, many round blue gemstones are available in calibrated sizes such as 3 mm, 4 mm, 5 mm, and 6 mm, making them easy to set into standard jewelry mountings.
Are the blue gemstones at GemSelect natural?
Yes, all gemstones offered by GemSelect are natural. Any treatments applied to enhance color or clarity are fully disclosed for transparency.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.
Overall Rating -> 9 
Very easy to navigate with a great selection.
Overall Rating -> 10
overall great
Overall Rating -> 10
Very good
Overall Rating -> 10
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Overall Rating -> 10
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
