9 avril 2014
An orange sapphire single-stone ring, first half of the 20th century
An orange sapphire single-stone ring, first half of the 20th century. Photo: Bonhams. The oval mixed-cut orange sapphire, within a four-claw setting, sapphire approximately 7.70 carats, ring size K. Estimate £6,000 - 8,000 (€7,300 - 9,700) Bonhams. FINE...