FILE - A Christie’s employee holds “The Rock” a white diamond of 228,31 carats which is the largest white diamond ever seen throughout auction market history, during a preview at Christie’s, in Geneva, Switzerland, May 6, 2022. (Salvatore Di Nolfi/Keystone via AP, File)
The Associated Press GENEVA (AP) — Christie’s says “The Rock,” an egg-sized white diamond billed as the largest of its kind to go up for…
