A Victorian/Biedermeier pendant modelled as a stylized leaf, 19th century

yellow gold (unmarked, approx. 18 ct), cobalt blue enamel, engraved detail, 3 diamonds weighing in total approx. 0,30 ct H-I/VS-SI, length: 4,5 cm including bail, weight: 8,86 g; accompanied by a gemmologist’s certificate; condition report: areas of losses to the enamel, minor traces of usage commensurate with age