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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

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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.

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

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

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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