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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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For Example: 8-9
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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.29ct Black Diamond, Square, Opaque

3.4 x 3.4 mm

$ 144.42

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0.18ctw Black Diamond, Square, Opaque

2.2 x 2.1 mm

$ 89.64

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0.20ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 95.15

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.20ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 99.60

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0.08ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 63.74

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0.20ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 99.60

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0.15ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 74.70

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0.78ct Black Diamond, Round, Opaque

5.3 mm

$ 621.50

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0.03ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 10.27

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1.07ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 507.96

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0.06ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 29.03

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0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 17.62

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0.39ctw Black Diamond, Square, Opaque

2.7 x 2.6 mm

$ 194.22

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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0.07ct Black Diamond, Round, Opaque

2.5 mm (calibrated)

$ 28.23

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0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 14.53

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.22ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 104.66

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0.22ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 104.66

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0.34ct Black Diamond, Square, Opaque

3.3 x 3.2 mm

$ 141.10

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 17.11

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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

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
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

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

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate
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