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Natural Black Spinel Gemstones

Discover natural black spinel gemstones, prized for their deep color, brilliance, and excellent durability.

Black Spinel Weight
Black Spinel Size
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Black Spinel Price

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15.82ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 52.00

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13.54ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 44.50

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12.97ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 71.06

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14.30ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 47.00

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25.34ctw Black Spinel, Baguette, Opaque

17.6 x 8.2 mm

$ 199.33

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13.46ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 73.74

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10.13ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 33.30

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8.63ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 33.08

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27.85ctw Black Spinel, Baguette, Opaque

20.2 x 10 mm

$ 83.22

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15.01ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 57.56

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7.26ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 23.86

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14.42ctw Black Spinel, Cushion, Opaque

12 x 10 mm (calibrated)

$ 78.99

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14.24ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 54.60

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14.99ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 49.27

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9.17ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 35.17

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12.47ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 47.81

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7.01ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 26.88

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26.57ctw Black Spinel, Baguette, Opaque

20.2 x 10.2 mm

$ 79.39

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15.15ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 49.80

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25.72ctw Black Spinel, Baguette, Opaque

17.7 x 8.3 mm

$ 202.33

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25.16ctw Black Spinel, Baguette, Opaque

17.6 x 8.2 mm

$ 199.03

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21.63ctw Black Spinel, Oval, Opaque

16 x 12 mm (calibrated)

$ 71.10

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14.62ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 45.48

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9.97ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 38.24

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Why Buy Black Spinel from GemSelect?

Natural Black Spinel Stones

Our natural black spinel gemstones are carefully selected for their rich jet-black color and impressive brilliance. Known for their durability and luster, black spinel is a sophisticated choice for both modern and classic jewelry designs.

Buy Black Spinel Gemstones Online

Shop loose black spinel gemstones online with confidence at GemSelect. Choose from a wide variety of shapes, sizes, and cuts, all backed by detailed specifications and worldwide shipping.

Loose Black Spinel Gemstones for Jewelry

Black Spinel for Rings and Fine Jewelry

With a Mohs hardness of 8, black spinel is suitable for rings, earrings, pendants, and bracelets. Its high polish and strong luster make it an excellent alternative to black diamond for elegant and durable jewelry pieces.

Faceted Black Spinel

Faceted black spinel gemstones offer exceptional sparkle thanks to their refractive properties. Popular shapes include round, oval, cushion, and pear cuts, ideal for center stones or accent designs.

Black Spinel Cabochons

Black spinel cabochons feature smooth, domed surfaces that highlight the gem’s deep, even color. These stones are perfect for bold statement jewelry and contemporary settings.

Calibrated Black Spinel Sizes

We offer calibrated black spinel gemstones in standard sizes such as 5 mm, 6 mm, and 8 x 6 mm, making them easy to set into pre-made jewelry mountings.

Wholesale Black Spinel

Looking to purchase in bulk? Our wholesale black spinel options are ideal for jewelers and designers seeking consistent quality and competitive pricing on multiple stones.

Black Spinel Meaning and Properties

Black spinel is associated with protection and grounding. Its deep black color and durability have made it a popular gemstone for centuries, valued for both its beauty and resilience.

Learn more about the history, properties, and care of spinel on our Spinel Information Page.

FAQs

Is black spinel a natural gemstone?

Yes, black spinel is a natural gemstone. At GemSelect, all treatments (if any) are fully disclosed to ensure complete transparency.

How durable is black spinel for everyday wear?

Black spinel has a hardness of 8 on the Mohs scale, making it suitable for everyday jewelry, including rings and bracelets, with proper care.

Is black spinel a good alternative to black diamond?

Yes, black spinel offers a similar deep black appearance with excellent brilliance at a more accessible price point, making it a popular alternative.

Are black spinel gemstones calibrated?

Many black spinel stones are available in calibrated sizes, allowing for easy setting into standard jewelry mountings.

Can I buy loose black spinel in bulk?

Yes, we offer wholesale black spinel gemstones for bulk purchases, ideal for jewelry designers and retailers.

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

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
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Overall Rating -> 9 star ratings

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

Posted By Jim in January, 2026
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Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
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Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
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Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
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Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
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