Last December a Cartier Art Deco brooch estimated to sell for $100,000 to $150,000 went for almost $1.4 ... This year that autonomy yielded this watch of emeralds, amethysts, obsidian, coral, ...

Last December a Cartier Art Deco brooch estimated to sell for $100,000 ... This year that autonomy yielded this watch of emeralds, amethysts, obsidian, coral, chrysoprase, and chalcedony.