A sapphire and diamond line bracelet

A sapphire and diamond line bracelet alternativley-set with square step-cut sapphires and round brilliant-cut diamonds, estimated total sapphire weight 7.5 carats, estiamted diamond weight 4.9 carats, all millegrain set in white gold, stamped 18k, later hallmarked 18ct gold, London 2019, bearing Bentley & Skinner sposnsor mark, length 18cm, gorss weight 35.9 grams.