57
Emerald and diamond ring, 1960s
Set with a cabochon emerald weighing 4.31 carats and a step-cut diamond weighing 5.82 carats, accented with pear-shaped diamonds, size 52, signed Sterlé, French assay mark for gold.
Accompanied by SSEF report no. 131056, stating that the emerald is of Colombian origin, with a minor amount of oil in fissures; and GIA report no. 2231025851, stating that the diamond is F Colour, SI2 Clarity.
Estimate
CHF90,000 - 135,000
€95,200-143,000
$100,000-150,000