19 novembre 2017
A Diamond Single-Stone Ring, by Harry Winston, 1973

19 novembre 2016
An Exceptional 8.88 carats, D colour and Internally Flawless clarity Diamond Single-stone Ring, by Cartier

22 septembre 2016
Fancy Intense Blue Diamond sells for £2.32 Million at Bonhams London

18 avril 2016
A magnificent 15.52 carats step-cut Type IIa diamond single-stone ring, by Harry Winston, circa 1973

30 novembre 2015
Jewellery from celebrated designers along with gems from a European Princess for auctions at Bonhams

06 septembre 2015
A Belle Époque diamond single-stone ring, circa 1910

04 avril 2015
A diamond single-stone ring

04 avril 2015
A diamond single-stone ring

04 avril 2015
A diamond single-stone ring, by Harry Winston

19 avril 2014
An exceptional diamond single-stone ring
