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Home Gemstones Gemstones By Color Black Diamond

Loose Black Diamonds for Sale - Certified, Natural, AAA-Grade Stones, Conflict-Free Wholesale black diamonds

Black Diamond Weight
Black Diamond Size
Black Diamond Clarity
Black Diamond Price

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0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 23.96

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0.14ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 195.05

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0.06ct Black Diamond, Square, Opaque

1.9 x 1.9 mm

$ 29.88

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0.23ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 109.41

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0.07ct Black Diamond, Round, Opaque

2.7 mm (calibrated)

$ 23.96

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0.99ct Black Diamond, Square, Opaque

5.1 x 4.8 mm

$ 563.98

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 17.11

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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0.15ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 71.36

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0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 17.11

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0.14ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 69.72

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0.13ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 61.84

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0.15ct Black Diamond, Square, Opaque

2.6 x 2.7 mm

$ 74.70

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.11ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 31.96

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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0.19ctw Black Diamond, Square, Opaque

2.1 x 2.1 mm

$ 94.62

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0.14ctw Black Diamond, Square, Opaque

2 x 1.9 mm

$ 69.72

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0.07ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 23.96

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 16.28

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0.31ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 154.38

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0.27ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 128.44

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Why Buy Black Diamond from GemSelect?

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

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

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 star ratings

Very pleasant

Posted By Varun in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

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 -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate
Enlarged Gemstone Image