An emerald, pearl and diamond flower brooch, by Cartier, property from the Blair Family Collection. Sold for $487,500 on 7 December 2016 at Christie’s in New York. Emeralds are very soft compared to diamonds or sapphires, so carving an emerald, like this flower blossom, without breaking it is a testament to the carver’s expertise. This brooch incorporates the influential Indian style of the period with Cartier’s exceptional design, workmanship and detailed execution