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Black Diamond building, a modern waterfront extension to the Royal Danish Library's old building on Slotsholmen in central Copenhagen, Denmark Stock Photo - Alamy
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Black Diamond Engagement Ring, Black Diamond Ring, Black Gold Ring, Black Gold Diamond Engagement Ring, Black Gold Engagement Ring - Etsy
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Big 5.19 Carat Emerald Cut Natural Black Diamond Engagement Ring With 2 Lines of Colorless Diamonds, Each Side and Diamond Halo, 14k Gold - Etsy
![New extension to the Royal Library, Den Sorte Diamant or Black Diamond, Copenhagen, Capital Region of Denmark, Denmark Stock Photo - Alamy New extension to the Royal Library, Den Sorte Diamant or Black Diamond, Copenhagen, Capital Region of Denmark, Denmark Stock Photo - Alamy](https://l450v.alamy.com/450v/r8257d/new-extension-to-the-royal-library-den-sorte-diamant-or-black-diamond-copenhagen-capital-region-of-denmark-denmark-r8257d.jpg)