19th century - Pendant in platinum and silver, onyx and diamonds

Antique pendant from the late 19th century, made of platinum and silver. It features a large oval black onyx plaque, delicately adorned at its center with a floral motif entirely set with rose-cut diamonds. Its surround and bail harmoniously extend this decoration with vegetal motifs enhanced by numerous rose-cut and old-cut diamonds. It is accompanied by a long chain allowing it to be worn easily over a dress or a neckline. Period: late 19th century Material: platinum and silver Stones: black onyx and 38 rose-cut diamonds Hallmarks: swan head, dog head, maker's/manufacturer's hallmark Chain length: 65 cm Weight: 19.7 g Dimensions: 52 x 29 mm, including the bail Condition: very well preserved