Lot 522 , A pearl, sapphire and diamond ring, early 20th century

A pearl, sapphire and diamond ring, early 20th century, centring on a bouton-shaped untested pearl measuring approximately 8.9 x 8.9 x 5mm, within a geometric border set with circular- and rose-cut diamonds and stripes of calibré-cut sapphires, mounted in gold and platinum, size O, length of setting 2cm, gross weight approximately 3.5 grams
£800-1,200