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Round Blue Gemstones

Explore a stunning selection of natural round blue gemstones perfect for jewelry and collectors.

Blue Round Gems Weight
Blue Round Gems Size
Blue Round Gems Clarity
Blue Round Gems Price
Blue Round Gems Treatment

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1.31ctw Navy Blue Sapphire, Round, VS

5 mm (calibrated)

$ 691.68

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1.01ct Bright Navy Blue Kyanite, Round, SI

6 mm (calibrated)

$ 30.30

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0.37ctw Deep Baby Blue Apatite, Round, VS

3.5 mm (calibrated)

$ 9.52

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0.48ctw Dark Blue Kyanite, Round, VS-SI

3.7 mm

$ 10.37

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11.73ct Intense Navy Blue Color-Change Fluorite, Round, VS

14 mm (calibrated)

$ 387.10

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6.20ct Aqua Blue Larimar, Round, Translucent

12 mm (calibrated)

$ 89.33

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14.16ct Bright Blue Color-Change Fluorite, Round, VVS-VS

15 mm (calibrated)

$ 467.28

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14.16ct Dark Blue Color-Change Fluorite, Round, VS

15 mm (calibrated)

$ 467.28

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0.59ct Twilight Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 399.05

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4.41ctw Sky Blue Topaz, Round, VS

8 mm (calibrated)

$ 37.25

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0.44ct Royal Blue Kyanite, Round, SI

4.2 mm

$ 13.20

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0.86ctw Green Blue Sapphire, Round, VS

4 mm (calibrated)

$ 103.20

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0.05ct Blue Diamond, Round, VS

2.2 mm (calibrated)

$ 60.00

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0.06ct Blue Diamond, Round, VS

2.3 mm (calibrated)

$ 72.00

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4.17ctw Sky Blue Topaz, Round, VS

8 mm (calibrated)

$ 38.53

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0.05ct Blue Diamond, Round, VS

2.4 mm (calibrated)

$ 67.34

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0.06ct Blue Diamond, Round, VS

2.5 mm (calibrated)

$ 80.81

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7.09ct Light Blue Larimar, Round, Opaque

12 mm (calibrated)

$ 73.94

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12.97ct Egyptian Blue Color-Change Fluorite, Round, VS

15 mm (calibrated)

$ 389.10

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0.44ct True Blue Kyanite, Round, SI

4.3 mm

$ 13.20

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0.39ct Dark Blue Kyanite, Round, SI

4.2 mm

$ 11.70

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1.03ct True Blue Kyanite, Round, SI

6 mm (calibrated)

$ 30.90

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0.47ctw Navy Blue Kyanite, Round, VS-SI

3.5 mm (calibrated)

$ 10.15

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0.56ct Navy Blue Sapphire, Round, VS

5 mm (calibrated)

$ 401.63

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Why Buy Blue Round Gems from GemSelect?

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.

Loose Round Blue Gemstones for Jewelry

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 star ratings

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.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate
Enlarged Gemstone Image