The Graff Royal Star of Paris - set with over 200ct of diamonds - is believed to be the most valuable brooch ever created. Biennale des Antiquaires 2014

The Graff Royal Star brooch incorporates two exceptional diamonds: the Graff Sunflower, a 107.46ct Fancy yellow cushion-cut diamond, and the Graff Perfection, a 100ct D flawless pear-shaped diamond drop.

Graff bracelet from the La Biennale Suite featuring pigeon’s blood Burmese rubies and white diamonds.

Graff tassel necklace, featuring pigeon’s blood Burmese rubies and white diamonds, from the new La Biennale Suite.

A pair of earrings set with pigeon's blood Burmese rubies and diamonds completes the La Biennale suite, created by Graff for the Biennale des Antiquaires 2014.

Photos courtesy Graff