A citrine, pearl and enamel pendant and chain, circular pendant with a central claw set round

A citrine, pearl and enamel pendant and chain, circular pendant with a central claw set round faceted citrine, approximate diameter 13.5mm, surrounded by white enamel and a border of split pearls, detachable split pearl bale, length including bale 3.5cm, width 2.4cm, unmarked, tested as 18ct gold, suspended from a rope chain, push-in barrel shaped clasp, length 40cm, unmarked, tested to at least 9ct gold, gross weight 12.3g