A Belle Époque cultured pearl necklace with diamond and pearl drop, the openwork articulated pendant with millgrain details, leading to a fan-shaped surmount encrusted with old-cut and rose-cut diamonds, embellished with a Tahitian pearl and suspending an egg-shaped saltwater cultured pearl drop of 9.8 x 8.7 mm, connected to detachable necklace segments composing five strands of small pearls, divided by four bar spacers set with old-cut diamonds, completed with a conforming slide clasp closure, unsigned, pendant drop length 5.8 cm, overall length 37.5 cm, total weight of item 25.8 grams.