Custom-made piece designed as an oval ring set with 32 brilliant-cut diamonds (2.53 ct) surrounding three chaton set brilliant-cut diamonds (0.63 ct, faint fluorescence; 0.57 ct, faint fluorescence; 0.50 ct, medium fluorescence; F/G, IF). With box. Hallmarks: Fineness 750, maker's mark “W”. 3.5 x 3 cm. Weight 6.76 g. Juwelier Weyersberg, Düsseldorf, ca. 1983. Certificate The three central stones with an old expertise by the Stiftung Deutsches Diamantinstitut DDI dated 15th July 1982.