Kenneth Mansergh, ruby and diamond ring, featuring a 1.94ct cushion cut ruby, with two baguette rubies weighing 0.54ct, two square rubies weighing 0.40ct surrounded by 24 round brilliant cut diamonds weighing 0.60ct pave set in 18ct yellow gold and platinum, stamped '750 Pt' and maker's, mark, approx. Weight 9.7 grams size M certificate