Mellerio, a late 19th century emerald and diamond locket pendant

Mellerio, a late 19th century emerald and diamond locket pendant, c1880, later-set with a central rectangular cushion-shaped emerald separating a diamond-set anchor motif on bloom gilded gold locket, glazed compartment to interior, maker's plaque to interior and French control marks to pendant loop, height 5.1cm, fitted Mellerio case

Accompanied by SSEF report number 124637, dated 27th September 2022 stating the fancy step cut emerald has indications of minor clarity modification and minor amounts of oil in fissures at the time of testing.