A Victorian emerald and diamond ring. Photo Christie's Image Ltd 2014 The square cut-cornered emerald claw-set between an old-cut diamond to either side, raised on a pierced scrolling gallery, to carved shoulders and tapering hoop, circa 1890. Estimate...

An emerald and diamond ring, mounted by Cartier. Photo Christie's Image Ltd 2012 The square cut-cornered emerald claw-set to stepped baguette-cut diamond shoulders, raised on a plain hoop. Signed Mtd. Cartier. Estimate: $63,520 – $95,280. Price Realized...

A suite of emerald and diamond jewellery, mounted by Cartier. Photo Christie's Image Ltd 2012 Comprising a brooch with square cut-cornered emerald cluster centre within a radiating baguette-cut diamond surround; together with a pair of ear pendants of...