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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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For Example: 8-9
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5.72ct Blue Zircon, Round, VVS

9 mm (calibrated)

$ 906.05

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6.50ct Light Blue Larimar, Round, Opaque

12 mm (calibrated)

$ 89.48

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4.72ct Blue Zircon, Round, VVS-VS

8.5 mm (calibrated)

$ 747.65

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1.19ctw Midnight Blue Sapphire, Round, VS

5 mm (calibrated)

$ 853.45

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1.31ctw Dark Blue Sapphire, Round, VS-SI

5.2 mm

$ 576.40

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0.05ct Blue Diamond, Round, VS

2.3 mm (calibrated)

$ 50.00

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2.72ct Very Deep Blue Kyanite, Round, SI

8.5 mm (calibrated)

$ 89.76

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3.57ct Cyan Blue Zircon, Round, VVS

8.5 mm (calibrated)

$ 466.52

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1.32ct Deep Blue Kyanite, Round, SI

6 mm (calibrated)

$ 39.60

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0.95ctw Light Blue Zircon, Round, VS

4.5 mm (calibrated)

$ 30.10

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4.68ct Blue Zircon, Round, VVS

8.5 mm (calibrated)

$ 741.31

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2.17ctw Silverish Blue Tanzanite, Round, Transparent

6 mm (calibrated)

$ 35.81

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0.35ct Light Navy Blue Kyanite, Round, VS

3.8 mm

$ 7.56

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0.05ct Blue Diamond, Round, VS-SI

2.2 mm (calibrated)

$ 67.34

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6.51ctw Swiss Blue Topaz, Round, VVS

9 mm (calibrated)

$ 54.91

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7.03ct Royal Blue Sapphire, Round, VS

11.5 mm

$ 63,270.00

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4.30ctw Sky Blue Topaz, Round, VVS-VS

8 mm (calibrated)

$ 36.12

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1.29ctw Dark Blue Sapphire, Round, VS

5 mm (calibrated)

$ 681.12

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0.08ct Blue Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 114.38

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0.32ct Deep Azure Blue Kyanite, Round, VS-SI

4 mm (calibrated)

$ 9.60

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4.67ctw Sky Blue Topaz, Round, VVS-VS

8 mm (calibrated)

$ 43.15

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1.00ctw Light Blue Zircon, Round, VVS-VS

4.5 mm (calibrated)

$ 32.03

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0.89ctw Light Aqua Blue Zircon, Round, VVS-VS

4.5 mm (calibrated)

$ 28.50

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0.62ct Navy Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 444.66

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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

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
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Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
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Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate
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