15 octobre 2015
A diamond ring, by Van Cleef & Arpels and a sapphire and diamond ring
A 6.46 carats Type IIa diamond ring, by Van Cleef & Arpels (Estimate $350,000 – $450,000) and A 20.97 carats Burma sapphire and diamond ring Estimate $150,000 – $200,000 . Photo Christie's Image Ltd 2015 A 6.46 carats Type IIa diamond ring, by Van Cleef...