Faceted diamond beads are threaded to form the necklace of the Graff Le Collier Bleu de Reve, which will be on show for the first time at the 2014 Biennale de Paris this week.

Faceted diamond beads are threaded to form the necklace of the Graff Le Collier Bleu de Reve, which will be on show for the first time at the 2014 Biennale de Paris this week.

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