X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue Round Blue Sapphire
Brown
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
X
Clear All

1.14ctw Blue Sapphire, Round, VS

5 mm (calibrated)

$ 601.92

View Details

0.61ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 495.08

View Details

0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 401.63

View Details

0.54ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 387.28

View Details

0.62ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 503.20

View Details

0.67ct Blue Sapphire, Round, VS

5.5 mm (calibrated)

$ 543.79

View Details

0.62ct Blue Sapphire, Round, VS-SI

5 mm (calibrated)

$ 503.20

View Details

1.62ctw Blue Sapphire, Round, VS

5.5 mm (calibrated)

$ 855.36

View Details

5.45ctw Blue Sapphire, Round, VVS-VS

3 mm (calibrated)

$ 654.00

View Details

0.59ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 399.05

View Details

0.60ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 430.31

View Details

0.54ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 438.26

View Details

0.61ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 437.48

View Details

0.68ct Blue Sapphire, Round, VVS

5.3 mm

$ 443.35

View Details

0.62ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 503.20

View Details

0.73ct Blue Sapphire, Round, VVS-VS

5.5 mm (calibrated)

$ 436.28

View Details

0.55ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 394.45

View Details

0.56ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 454.50

View Details

0.58ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 382.80

View Details

0.60ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 486.97

View Details

0.67ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 543.79

View Details

0.65ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 466.18

View Details

0.96ctw Blue Sapphire, Round, VS

4.7 mm

$ 506.88

View Details

0.68ct Blue Sapphire, Round, VVS-VS

5.5 mm (calibrated)

$ 487.69

View Details
1 - 7

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

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 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
Enlarged Gemstone Image