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 |
0.56ct Navy Blue Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 454.50
0.74ctw Light Blue Kyanite, Round, SI
4.3 mm
$ 22.20
0.73ct Baby Blue Kyanite, Round, SI
5 mm (calibrated)
$ 21.90
11.78ct Deep Blue Color-Change Fluorite, Round, VS
14 mm (calibrated)
$ 389.98
0.62ct Dark Blue Sapphire, Round, VVS-VS
5 mm (calibrated)
$ 503.20
4.57ctw Sky Blue Topaz, Round, VS
8 mm (calibrated)
$ 42.23
4.58ctw Sky Blue Topaz, Round, VS
8 mm (calibrated)
$ 38.69
0.64ct True Blue Kyanite, Round, SI
5.2 mm
$ 19.20
1.32ct Violet Blue Tanzanite, Round, VVS-VS
7 mm (calibrated)
$ 470.34
1.18ctw Royal Blue Kyanite, Round, VS-SI
4.3 mm
$ 35.40
0.61ctw Deep Azure Blue Kyanite, Round, VS
3.7 mm
$ 18.30
3.90ctw Sky Blue Topaz, Round, VS
8 mm (calibrated)
$ 36.04
0.03ct Blue Diamond, Round, VS
2.2 mm (calibrated)
$ 44.00
6.30ctw Sky Blue Topaz, Round, VVS
9 mm (calibrated)
$ 53.15
11.73ct Bright Blue Color-Change Fluorite, Round, VS
14 mm (calibrated)
$ 309.67
6.70ctw Swiss Blue Topaz, Round, VVS-VS
9.5 mm (calibrated)
$ 56.51
0.04ct Blue Diamond, Round, VS
2.2 mm (calibrated)
$ 44.89
0.79ct True Blue Kyanite, Round, SI
6 mm (calibrated)
$ 23.70
1.20ctw Navy Blue Sapphire, Round, VS
5 mm (calibrated)
$ 633.60
0.05ct Blue Diamond, Round, VS
2.2 mm (calibrated)
$ 67.34
2.05ctw Baby Blue Zircon, Round, VVS-VS
4.5 mm (calibrated)
$ 32.47
1.00ctw Baby Blue Sapphire, Round, Transparent
3.7 mm
$ 52.80
6.37ctw Sky Blue Topaz, Round, VVS-VS
9 mm (calibrated)
$ 53.72
0.07ct Blue Diamond, Round, VS-SI
2.3 mm (calibrated)
$ 70.00
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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 
Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.
Overall Rating -> 10
So far, my experience was great...Thanks
Overall Rating -> 8 
I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.
Overall Rating -> 10
Excellent options
Overall Rating -> 9 
Very good and simple exchange
Overall Rating -> 10
Filters need to be improved but rest of website is great
