An opal and diamond necklace, by Grima, 1972The wire collar suspending an annular pendant, one side set with a boulder opal slice, the other side designed as a reflection in textured 18 carat gold, the surmount set with graduated brilliant-cut diamonds, collar and pendant signed Grima, maker's mark AGLtd, UK hallmark, pendant length 5.7cm, collar diameter 12.5cm, maker's pouch注脚Please note Artist's Resale Right applies to this lot