5 décembre 2013
A diamond single-stone ring, circa 1990
A diamond single-stone ring, circa 1990. Photo courtesy Bonhams. The step-cut diamond, weighing 6.68 carats, between baguette-cut diamond shoulders, to a platinum mount, maker's mark, London hallmark, ring size N½. Sold for £68,500 (€82,401) Bonhams....