What is a black sapphire?

A black sapphire is a variety of corundum, known for its deep black color and exceptional durability. These stones are popular for custom jewelry designs, including black sapphire rings, pendants, and earrings.

What are the different types of loose black sapphire cuts available?

Loose black sapphires come in various cuts, including faceted black sapphire for added brilliance and cabochon black sapphire for a smooth, polished finish. Common shapes include oval black sapphire and round black sapphire.

Are there untreated black sapphires available?

Yes, untreated black sapphires are available for those who prefer natural beauty. However, heat-treated black sapphires are also popular for their enhanced color and clarity.

What is a black star sapphire?

A black star sapphire is a rare variety of black sapphire with a star-like phenomenon called asterism. These unique stones are highly sought after for statement jewelry.

Can I purchase wholesale black sapphires?

Yes, we offer wholesale black sapphires, ideal for jewelers or designers looking to buy in bulk. Options include natural black sapphire, heat-treated, and untreated stones.

What makes rare black sapphires special?

Rare black sapphires are valued for their exceptional quality, unique characteristics, or untreated nature, making them ideal for collectors and one-of-a-kind jewelry pieces.

What is loose black corundum?

Loose black corundum refers to black sapphire stones that are not set in jewelry, allowing for custom designs. These loose gems are versatile and perfect for creating personalized jewelry like sapphire rings or pendants.

Are black sapphire earrings and pendants durable?

Yes, black sapphire earrings and pendants are highly durable, as sapphire is one of the hardest gemstones, making it resistant to scratches and everyday wear.

How do I choose between faceted and cabochon black sapphire?

Faceted black sapphire is ideal for those seeking sparkle and brilliance, while cabochon black sapphire offers a smooth, understated elegance. The choice depends on personal preference and the jewelry design.

Loose Black Sapphire - Shop Natural Black Sapphire Stones, Faceted and Cabochons for Jewelry

Black Sapphire Weight

Black Sapphire Size

Black Sapphire Clarity

Black Sapphire Price

Size Explained

Choose Size or Size Range

For Example: 6-7

For Example: 8-9

Bi-color

Black Black Sapphire

Blue

Brown

Golden

Gray

Green

Multicolor

Orange

Pink

Purple

Red

Turquoise

Violet

White

Yellow

Single

Pairs

Lots

Faceted

Cabochons

Clear All

2.19ct Black Star Sapphire, Pear Shape, Opaque

8.8 x 7.6 mm

$ 39.26

View Gem

3.91ct Black Star Sapphire, Cushion, Opaque

9.4 x 8.4 mm

$ 70.10

View Gem

6.52ct Black Star Sapphire, Oval, Opaque

11.8 x 9 mm

$ 108.23

View Gem

4.23ct Black Star Sapphire, Oval, Opaque

10.4 x 7.6 mm

$ 75.84

View Gem

5.59ct Black Star Sapphire, Oval, Opaque

11.2 x 8.5 mm

$ 111.35

View Gem

7.81ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 155.58

View Gem

7.64ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 152.19

View Gem

3.86ct Black Star Sapphire, Pear Shape, Opaque

9.6 x 7.7 mm

$ 69.21

View Gem

4.49ct Black Star Sapphire, Oval, Opaque

10.8 x 8.2 mm

$ 80.49

View Gem

6.71ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 133.66

View Gem

2.74ct Black Star Sapphire, Oval, Opaque

8.2 x 6.8 mm

$ 190.34

View Gem

2.97ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 44.37

View Gem

3.19ct Black Star Sapphire, Oval, Opaque

9.6 x 7.3 mm

$ 57.19

View Gem

1.98ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 29.58

View Gem

4.69ct Black Star Sapphire, Pear Shape, Opaque

11 x 9 mm (calibrated)

$ 84.08

View Gem

2.82ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 50.56

View Gem

3.62ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 64.90

View Gem

2.45ct Black Star Sapphire, Oval, Opaque

8.5 x 6.2 mm

$ 43.92

View Gem

3.95ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 70.82

View Gem

19.55ct Black Star Sapphire, Oval, Opaque

15.5 x 13.8 mm

$ 253.13

View Gem

3.95ct Black Star Sapphire, Pear Shape, Opaque

10 x 8.4 mm

$ 70.82

View Gem

4.45ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 79.78

View Gem

34.34ct Black Star Sapphire, Oval, Opaque

20.2 x 16.8 mm

$ 444.63

View Gem

15.48ct Black Star Sapphire, Oval, Opaque

13.9 x 13.4 mm

$ 200.44

View Gem

1 2 3 »

Choose Page

1 - 5

Why Buy Black Sapphire from GemSelect?

Trusted Worldwide Since 2003
Supplying natural gemstones to jewelers and collectors in 120+ countries
Verified natural gemstones
View All GemSelect Reviews on Bizrate
Secure checkout and insured worldwide delivery
30-day returns and satisfaction guarantee

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025

Source: Bizrate

Overall Rating -> 8

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025

Source: Bizrate

Overall Rating -> 10

Very good place to buy gemstones

Posted By Elansary in March, 2026

Source: Bizrate

Overall Rating -> 10

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025

Source: Bizrate

Overall Rating -> 10

Easy to use website

Posted By Mel in February, 2026

Source: Bizrate

Overall Rating -> 10

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026

Source: Bizrate

→ View All GemSelect Reviews on Bizrate