18 ct. white gold, marked, 'AMU'. The sapphire in emerald cut approx. 5 ct. (approx. 10 x 8 x 6 mm), with 22 small diam. in old and round brillant cut in total approx. 0,44 ct.H-I.vs. Size 55/56, weight approx. 5 g. Replacement value of 5.400 Euro according to report of Jeweller Mahlberg.