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

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6.28ct Black Star Sapphire, Oval, Opaque

10.5 x 8.6 mm

$ 112.59

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3.95ct Black Star Sapphire, Oval, Opaque

9.2 x 7.8 mm

$ 70.82

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4.00ct Black Star Sapphire, Oval, Opaque

10.5 x 8.2 mm

$ 71.71

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5.81ct Black Star Sapphire, Oval, Opaque

10.4 x 8.2 mm

$ 104.17

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4.82ct Black Star Sapphire, Oval, Opaque

11.6 x 8.8 mm

$ 96.01

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5.51ct Black Star Sapphire, Oval, Opaque

11.1 x 8.6 mm

$ 98.79

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5.97ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 118.92

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7.80ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 155.38

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9.54ct Black Star Sapphire, Oval, Opaque

12 x 10 mm (calibrated)

$ 190.04

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5.11ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 76.34

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Why Buy Black Sapphire from GemSelect?

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Overall Rating -> 8

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026

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Overall Rating -> 10

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025

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Overall Rating -> 9

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026

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Overall Rating -> 10

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025

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Overall Rating -> 9

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026

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Overall Rating -> 10

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025

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