lot-160-a-diamond-citrine-and-ruby-bird-on-a-rock-brooch-by-jean-schlumberger-tiffany-co-1 Published December 3, 2016 at 842 × 1168 in Highlights of Christie’s New York Magnificent Jewels Sale December 7, 2016 LOT 160 – A DIAMOND, CITRINE AND RUBY ‘BIRD ON A ROCK’ BROOCH, BY JEAN SCHLUMBERGER, TIFFANY & CO ← Previous Next →