LONDON.- An auction house worker holds a ruby and diamond Camellia flower brooch for the photographers in central London, estimated to fetch some US$1.2-1.5 million in an upcoming auction. Christies auction house will hold the Jewels For Hope: The Collection...

LONDON.- An auction house worker poses for the photographers in central London holding a 34.05 carat rectangular-cut diamond ring, estimated to fetch some US$3.6-5 million in an upcoming auction. Christies auction house will hold the Jewels For Hope:...