27 mai 2015
A sapphire and diamond ring, by Harry Winston
A 18.06 carats Burma oval-shaped sapphire and diamond ring, by Harry Winston. Estimate 3,500,000 – HK$5,500,000 ($440,000-700,000) . Photo Christie's Image Ltd 2015 Set with an oval-shaped sapphire weighing 18.06 carats, flanked by tapered baguette-cut...