Around 1980. 18 ct. white gold, marked. In prong setting the round cut diam. approx. 1,10 ct. K.si2, on the sides 2 small diam. in baguette cut in total approx. 0,20 ct. H.vvs/vs. Size 49/50, weight approx. 4,3 g. Details and replacement value of 8.200 Euro according to report of the Gemmologisches Institut Hamburg of March 2014.