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Home Gemstones Gemstones By Color Blue Round Gems

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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0.45ct Blue Kyanite, Round, VS-SI

4.3 mm

$ 11.21

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0.68ct Blue Sapphire, Round, VVS

5.3 mm

$ 367.98

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10.91ct Blue Color-Change Fluorite, Round, VS-SI

14 mm (calibrated)

$ 299.78

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0.62ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 417.66

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0.04ct Blue Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 44.71

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5.96ct Blue Larimar, Round, Opaque

12 mm (calibrated)

$ 68.11

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2.51ctw Blue Zircon, Round, VVS-VS

4.5 mm (calibrated)

$ 33.00

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4.67ctw Blue Topaz, Round, VS

8 mm (calibrated)

$ 35.81

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0.55ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 370.50

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0.52ct Blue Kyanite, Round, VS-SI

4.2 mm

$ 12.95

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13.26ct Blue Color-Change Fluorite, Round, VS

15 mm (calibrated)

$ 364.35

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0.38ct Blue Kyanite, Round, VS-SI

3.8 mm

$ 6.81

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0.47ct Blue Kyanite, Round, SI

4.2 mm

$ 11.70

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4.67ctw Blue Topaz, Round, VVS-VS

8 mm (calibrated)

$ 35.81

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0.44ctw Blue Kyanite, Round, VS-SI

3.5 mm (calibrated)

$ 7.89

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0.45ctw Blue Kyanite, Round, VS-SI

3.7 mm

$ 11.21

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0.62ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 334.16

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0.48ctw Blue Kyanite, Round, VS

3.5 mm (calibrated)

$ 11.95

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0.51ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 343.56

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0.58ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 390.71

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1.11ctw Blue Zircon, Round, VS

4.5 mm (calibrated)

$ 20.27

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1.12ct Blue Kyanite, Round, SI

6 mm (calibrated)

$ 27.89

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0.62ct Blue Star Sapphire, Round, Opaque

5 mm (calibrated)

$ 20.58

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1.03ct Blue Kyanite, Round, SI

6 mm (calibrated)

$ 25.65

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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

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
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Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

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

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate
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