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 |
4.48ctw Sky Blue Topaz, Round, VS
8 mm (calibrated)
$ 37.85
0.23ct Medium Blue Apatite, Round, VS
3.7 mm
$ 5.92
0.54ctw Dark Blue Kyanite, Round, VS-SI
3.7 mm
$ 11.66
0.36ct Bright Navy Blue Kyanite, Round, VS
3.8 mm
$ 7.78
0.48ctw Navy Blue Kyanite, Round, VS-SI
3.7 mm
$ 10.37
0.05ct Blue Diamond, Round, VS
2.4 mm (calibrated)
$ 73.33
0.52ct Deep Blue Sapphire, Round, VS
5 mm (calibrated)
$ 372.94
4.50ctw Sky Blue Topaz, Round, VS
8 mm (calibrated)
$ 38.02
0.61ct Deep Blue Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 495.08
1.19ctw Twilight Blue Sapphire, Round, VS
5 mm (calibrated)
$ 628.32
11.27ct Navy Blue Color-Change Fluorite, Round, VS
14 mm (calibrated)
$ 373.10
0.40ct Deep Azure Blue Kyanite, Round, VS-SI
4 mm (calibrated)
$ 12.00
4.24ctw Swiss Blue Topaz, Round, VVS-VS
8 mm (calibrated)
$ 39.18
3.75ct Blue Zircon, Round, VS
8.5 mm (calibrated)
$ 490.06
1.32ct Intense Blue Kyanite, Round, SI
6.5 mm (calibrated)
$ 39.60
0.60ctw Dark Blue Kyanite, Round, VS-SI
3.8 mm
$ 12.96
0.65ct Midnight Blue Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 466.18
0.51ct Baby Blue Kyanite, Round, SI
4.5 mm (calibrated)
$ 15.30
0.55ct Royal Blue Sapphire, Round, VS
5 mm (calibrated)
$ 394.45
0.43ct Navy Blue Kyanite, Round, VS-SI
4.3 mm
$ 12.90
0.04ct Blue Diamond, Round, VVS-VS
2.1 mm (calibrated)
$ 48.00
0.88ctw Light Blue Zircon, Round, VS
4.5 mm (calibrated)
$ 27.88
3.09ctw Deep Blue Star Sapphire, Round, Opaque
6 mm (calibrated)
$ 77.50
0.34ct True Blue Kyanite, Round, SI
4 mm (calibrated)
$ 10.20
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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 
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
My experience was done with ease
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
I was able to find what I wanted very easily!
Overall Rating -> 10
Good. I ts very user friendly.
Overall Rating -> 10
I love the quality, package and info of your gems.
