18ct white gold pear shaped emerald and diamond cluster pendant and chain

18ct white gold pear shaped emerald and diamond cluster pendant and chain. Centre pear shaped emerald weighing 1.02ct with a diamond set halo and one larger round diamond set at bottom of pendant and three diamonds set in V loop. Attached to an 16″-18″ 18ct white gold adjustable chain with trigger catch. Total diamond weight 0.37ct.