Lot 95, a coloured diamond and diamond ring by JAR, set with an old-mine cut fancy yellowish green diamond weighing approximately 2.49ct, mounted in platinum (estimate: US$300-500,000)

Lot 95, a coloured diamond and diamond ring by JAR, set with an old-mine cut fancy yellowish green diamond weighing approximately 2.49ct, mounted in platinum (estimate: US$300-500,000).