Named after the city of diamonds Arco reported were given to Queen Charlotte in 1777 by the Nawab of Arco. The largest was 38.6 carats and was cut again in 1959 to 30.99 carats and the smaller was again reduced to 18.85 carats to get greater clarity and brightness. She at-Arcos was found in a rack in 1993 and later sold to Sheik Ahmed Hassan Fitaihi, Saudi Arabia’s