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

6.28ct Black Star Sapphire, Oval, Opaque

10.5 x 8.6 mm

$ 112.59

View Gem

3.95ct Black Star Sapphire, Oval, Opaque

9.2 x 7.8 mm

$ 70.82

View Gem

4.00ct Black Star Sapphire, Oval, Opaque

10.5 x 8.2 mm

$ 71.71

View Gem

5.81ct Black Star Sapphire, Oval, Opaque

10.4 x 8.2 mm

$ 104.17

View Gem

4.82ct Black Star Sapphire, Oval, Opaque

11.6 x 8.8 mm

$ 96.01

View Gem

5.51ct Black Star Sapphire, Oval, Opaque

11.1 x 8.6 mm

$ 98.79

View Gem

5.97ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 118.92

View Gem

7.80ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 155.38

View Gem

9.54ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 190.04

View Gem

5.11ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 76.34

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

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025

Source: Bizrate

Overall Rating -> 10

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026

Source: Bizrate

Overall Rating -> 10

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025

Source: Bizrate

Overall Rating -> 10

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026

Source: Bizrate

Overall Rating -> 10

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026

Source: Bizrate

Overall Rating -> 10

hassle free experience.

Posted By Jhidron in October, 2025

Source: Bizrate

→ View All GemSelect Reviews on Bizrate