6
Ruby and diamond ring
Set with an oval ruby weighing 7.17 carats, the shoulders and shank accented with three square-cut diamonds on each side, size 52, indistinct marker's mark and assay mark.
Accompanied by Gubelin report no. 20080020, stating that the ruby is of Mozambique origin, with no indications of heating.
Estimate
CHF40,000 - 55,000
€41,400-56,900
$45,000-60,000