Sapphire, ruby and diamond earrings by JAR from Dimitri Mavrommatis’ private collection to be auctioned by Sotheby’s Geneva this November (estimate: US$400,000-700,000).

Sapphire, ruby and diamond earrings by JAR from Dimitri Mavrommatis’ private collection to be auctioned by Sotheby’s Geneva this November (estimate: US$400,000-700,000).