8 mai 2014
A diamond ring
A diamond ring. Photo Christie's Image Ltd 2014 Centering upon a collet-set brilliant-cut diamond, to the tapered fluted band, ring size 8. Estimate CHF30,000 – CHF40,000 ($34,422 - $45,896) FROM THE ESTATE OF BARONESS GUNHILD THYSSEN-BORNEMISZA DE KASZON...