Lot 527 , A sapphire and diamond cluster ring

A sapphire and diamond cluster ring, claw-set with an oval sapphire measuring 7.3 x 5.7 x 4.5mm, weighing approximately 1.40 carats, within a border of pear-shaped diamonds totalling approximately 1.00 carat, mounted in white gold, size Q, stamped 18K, numbered S206, maker's mark RT, gross weight approximately 4.4 grams
£500-700