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

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5.24ct Black Star Sapphire, Oval, Opaque

10.6 x 8.4 mm

$ 77.84

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3.42ct Black Star Sapphire, Oval, Opaque

10.1 x 7.5 mm

$ 61.31

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5.17ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 92.69

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3.16ct Black Star Sapphire, Oval, Opaque

9.5 x 6.9 mm

$ 56.66

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5.70ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 102.19

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41.19ct Black Star Sapphire, Oval, Opaque

20.2 x 18.1 mm

$ 533.32

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3.97ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 59.31

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2.97ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 44.37

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34.34ct Black Star Sapphire, Oval, Opaque

20.2 x 16.8 mm

$ 444.63

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6.82ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 135.85

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2.82ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 50.56

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2.45ct Black Star Sapphire, Oval, Opaque

8.5 x 6.2 mm

$ 43.92

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3.50ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 52.29

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4.26ct Black Star Sapphire, Oval, Opaque

10.7 x 8.3 mm

$ 63.64

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4.45ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 79.78

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5.81ct Black Star Sapphire, Oval, Opaque

10.4 x 8.2 mm

$ 104.17

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3.19ct Black Star Sapphire, Oval, Opaque

9.6 x 7.3 mm

$ 57.19

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2.74ct Black Star Sapphire, Oval, Opaque

8.2 x 6.8 mm

$ 190.34

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6.13ct Black Star Sapphire, Oval, Opaque

10.2 x 9.2 mm

$ 122.11

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3.25ct Black Star Sapphire, Oval, Opaque

10.6 x 8 mm

$ 48.56

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3.62ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 64.90

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4.30ct Black Star Sapphire, Oval, Opaque

10 x 7 mm (calibrated)

$ 77.09

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8.65ct Black Star Sapphire, Oval, Opaque

12.4 x 10.5 mm

$ 172.31

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4.92ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 97.61

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Why Buy Black Sapphire from GemSelect?

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GemSelect Certified Store Reviews

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Overall Rating -> 9

I wish there were options for jewelry settings

Posted By Tim in May, 2025

Source: Bizrate

Overall Rating -> 10

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025

Source: Bizrate

Overall Rating -> 10

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025

Source: Bizrate

Overall Rating -> 10

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025

Source: Bizrate

Overall Rating -> 8