Lot 447 , A pearl and diamond toi-et-moi ring, early 20th century

A pearl and diamond toi-et-moi ring, early 20th century, of crossover design, set with a circular-cut diamond weighing approximately 0.25 carats and a pearl measuring approximately 4.6mm diameter, to shoulders millegrain-set with rose-cut diamonds, mounted in gold and platinum, size N1/2, numbered, pearl untested
£400-600