What is cushion cut black tourmaline?

Cushion cut black tourmaline is a natural schorl gemstone with deep, opaque black hues, cut into rounded square facets for polished elegance. Sourced from Brazil and Nigeria, these certified stones are ideal for bold jewelry.

Is cushion cut black tourmaline treated?

Cushion cut black tourmaline is almost always untreated, showcasing natural black color and opacity. Certifications ensure authenticity with no enhancements applied.

What jewelry suits cushion cut black tourmaline?

With a Mohs hardness of 7-7.5, cushion cut black tourmaline is durable for rings, pendants, earrings, and cufflinks. Its cushion cut enhances luster, perfect for minimalist or men’s designs.

How do I buy cushion cut black tourmaline from GemSelect?

Visit the cushion cut black tourmaline category, select your loose stone by size or shape, and purchase with secure checkout and worldwide shipping.

What color variations exist in cushion cut black tourmaline?

Cushion cut black tourmaline is consistently deep black, with rare brownish or greenish undertones. Brazilian and Nigerian stones offer uniform, opaque black for bold consistency.

Is cushion cut black tourmaline in stock and ethically sourced?

All cushion cut black tourmaline is in stock, ethically sourced from Brazil, Madagascar, and Nigeria, ensuring certified quality and sustainable practices.

What makes cushion cut black tourmaline unique?

Cushion cut black tourmaline stands out for its intense black hues, durable opacity, and cushion-cut polish. Unlike onyx, its natural crystal structure and affordability offer versatile, grounding appeal.

Cushion Cut Black Tourmaline - Natural, Certified

Black Tourmaline

Cushion Cut Black Tourmaline Weight

Cushion Cut Black Tourmaline Size

Cushion Cut Black Tourmaline Clarity

Cushion Cut Black Tourmaline Price

Size Explained

Choose Size or Size Range

For Example: 6-7

For Example: 8-9

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Black Cushion Cut Black Tourmaline

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17.62ct Black Tourmaline, Cushion, Opaque

17 x 12.9 mm

$ 62.65

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9.04ct Black Tourmaline, Cushion, Opaque

12.7 x 11.4 mm

$ 45.02

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9.22ct Black Tourmaline, Cushion, Opaque

13.9 x 10.5 mm

$ 45.92

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28.84ct Black Tourmaline, Cushion, Opaque

19.9 x 17.4 mm

$ 143.62

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19.45ct Black Tourmaline, Cushion, Opaque

17.4 x 14.9 mm

$ 69.16

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8.45ct Black Tourmaline, Cushion, Opaque

12.4 x 10.8 mm

$ 42.08

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12.28ct Black Tourmaline, Cushion, Opaque

14 x 12 mm (calibrated)

$ 43.67

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15.15ct Black Tourmaline, Cushion, Opaque

15.8 x 13.8 mm

$ 75.45

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13.95ct Black Tourmaline, Cushion, Opaque

16.3 x 12.9 mm

$ 69.47

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9.78ct Black Tourmaline, Cushion, Opaque

13.3 x 12.1 mm

$ 48.70

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13.44ct Black Tourmaline, Cushion, Opaque

15.9 x 13.2 mm

$ 47.79

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22.56ct Black Tourmaline, Cushion, Opaque

18.9 x 14.8 mm

$ 80.22

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17.86ct Black Tourmaline, Cushion, Opaque

15 x 15 mm (calibrated)

$ 63.50

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11.70ct Black Tourmaline, Cushion, Opaque

14 x 12 mm (calibrated)

$ 34.67

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28.06ct Black Tourmaline, Cushion, Opaque

19.5 x 16.6 mm

$ 99.77

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8.62ct Black Tourmaline, Cushion, Opaque

13.9 x 10.8 mm

$ 30.64

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12.24ct Black Tourmaline, Cushion, Opaque

16 x 12 mm (calibrated)

$ 60.96

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9.37ct Black Tourmaline, Cushion, Opaque

14.4 x 11.5 mm

$ 33.32

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14.90ct Black Tourmaline, Cushion, Opaque

17 x 12.5 mm

$ 74.20

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25.40ct Black Tourmaline, Cushion, Opaque

21.2 x 16.5 mm

$ 126.49

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15.12ct Black Tourmaline, Cushion, Opaque

16 x 16 mm (calibrated)

$ 53.77

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9.83ct Black Tourmaline, Cushion, Opaque

15.4 x 12.9 mm

$ 34.95

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15.06ct Black Tourmaline, Cushion, Opaque

16.1 x 14.2 mm

$ 75.00

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27.96ct Black Tourmaline, Cushion, Opaque

18.8 x 16.1 mm

$ 99.42

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Why Buy Cushion Cut Black Tourmaline from GemSelect?

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Overall Rating -> 10

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026

Source: Bizrate

Overall Rating -> 9

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

Posted By Jim in January, 2026

Source: Bizrate

Overall Rating -> 9

Fast and reliable service.

Posted By Zæck in December, 2025

Source: Bizrate

Overall Rating -> 9

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025

Source: Bizrate

Overall Rating -> 10

Very good.

Posted By Tommy in December, 2025

Source: Bizrate

Overall Rating -> 10

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026

Source: Bizrate

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