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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

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0.67ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 400.42

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1.31ctw Blue Sapphire, Round, VS-SI

5.2 mm

$ 576.40

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0.77ct Blue Sapphire, Round, VS

5.5 mm (calibrated)

$ 552.24

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0.57ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 385.52

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0.62ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 503.20

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0.79ct Blue Sapphire, Round, VVS

5.5 mm (calibrated)

$ 472.14

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0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 454.50

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1.19ctw Blue Sapphire, Round, VS

5 mm (calibrated)

$ 853.45

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0.59ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 478.86

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0.60ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 405.81

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0.61ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 495.08

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1.14ctw Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 798.92

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0.62ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 503.20

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0.60ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 486.97

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0.69ct Blue Sapphire, Round, VS

5.5 mm (calibrated)

$ 494.86

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1.73ctw Blue Sapphire, Round, Transparent

3.7 mm

$ 45.67

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0.58ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 470.74

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0.56ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 454.50

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2.23ctw Blue Sapphire, Round, Transparent

3.5 mm (calibrated)

$ 78.22

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0.62ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 444.66

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1.68ct Blue Sapphire, Round, VVS-VS

7 mm (calibrated)

$ 1,209.60

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0.57ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 420.56

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0.66ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 473.34

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0.23ct Blue Sapphire, Round, Transparent

3.5 mm (calibrated)

$ 13.38

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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

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
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Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate
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