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Home Gemstones Gemstones By Color Round Blue Sapphire

Round Blue Sapphire Gemstones

Explore natural round blue sapphire gemstones, perfect for classic and custom jewelry designs.

Round Blue Sapphire Weight
Round Blue Sapphire Size
Round Blue Sapphire Clarity
Round Blue Sapphire Price
Round Blue Sapphire Treatment

Size Explained

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0.60ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 404.19

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0.70ct Blue Sapphire, Round, VS

5.5 mm (calibrated)

$ 416.68

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0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 333.35

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1.29ct Blue Sapphire, Round, VS

6 mm (calibrated)

$ 1,065.67

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0.60ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 404.19

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1.00ctw Blue Sapphire, Round, Transparent

3.7 mm

$ 43.82

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0.58ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 317.72

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5.45ctw Blue Sapphire, Round, VVS-VS

3 mm (calibrated)

$ 542.82

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0.94ctw Blue Sapphire, Round, VS

4 mm (calibrated)

$ 102.99

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0.57ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 349.06

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1.07ctw Blue Sapphire, Round, VS

5 mm (calibrated)

$ 468.92

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1.12ctw Blue Sapphire, Round, VS

5 mm (calibrated)

$ 490.83

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0.55ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 327.39

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Why Buy Round Blue Sapphire from GemSelect?

Natural Round Blue Sapphire

Our natural round blue sapphire gemstones are carefully sourced for their rich color and excellent clarity. Each stone is selected to meet high standards for fine jewelry and collectors.

Loose Blue Sapphire Stones Online

Browse loose blue sapphire gemstones in round cuts, ideal for custom jewelry projects. Enjoy a wide range of sizes, qualities, and price points with secure worldwide delivery.

Round Blue Sapphire Gemstones for Jewelry

Round Cut Sapphire for Jewelry

The round cut is the most popular shape for blue sapphires, offering maximum brilliance and symmetry. These gemstones are perfect for rings, earrings, and pendants.

Heated and Unheated Blue Sapphires

We offer both heated and unheated blue sapphire gemstones. Heat treatment enhances color and clarity, while unheated stones are valued for their natural state and rarity.

Calibrated Round Sapphire Sizes

Find calibrated round blue sapphires in standard sizes such as 4 mm, 5 mm, 6 mm, and larger. These stones fit perfectly into pre-made jewelry settings.

Blue Sapphire Quality Factors

When choosing a blue sapphire, consider color saturation, clarity, cut, and origin. Deep vivid blue stones with good transparency are the most desirable.

September Birthstone Sapphire

Blue sapphire is the birthstone for September and symbolizes wisdom, loyalty, and protection. It is a meaningful choice for gifts and engagement rings.

Wholesale Blue Sapphire Options

Buy round blue sapphire gemstones in bulk for jewelry production or resale. We offer competitive pricing and a consistent supply of high-quality stones.

Learn more about sapphire varieties, treatments, and care on our Sapphire Information Page.

FAQs

Are your round blue sapphire gemstones natural?

Yes, all our blue sapphire gemstones are natural. Any treatments, such as heat, are fully disclosed for transparency.

Is round cut the best shape for blue sapphires?

The round cut is highly popular because it maximizes brilliance and works well in most jewelry settings, especially rings.

What size round sapphire should I choose for a ring?

Common sizes for rings include 5 mm to 7 mm, depending on the design and desired visual impact.

What is the difference between heated and unheated sapphires?

Heated sapphires have improved color and clarity, while unheated sapphires are untreated and often more valuable due to their rarity.

Are round blue sapphires suitable for daily wear?

Yes, sapphire ranks 9 on the Mohs scale, making it very durable and suitable for everyday jewelry like engagement rings.

Do you offer calibrated round blue sapphires?

Yes, we stock calibrated sizes that fit standard jewelry settings, making them ideal for easy mounting.

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

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.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate
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