A vintage 1990s Ruby and Diamond RingA Beautiful 1990s Ruby and Diamond Cluster Ring London 1995 A stunning cluster ring from the 1990s, presented in exceptional, almost unworn condition for its 30 year vintage. At its centre sits an oval cut ruby measuring approximately 7 x 5 mm (estimated 0. 75 carats), displaying a rich, deep raspberry red hue. The ruby is naturally included, with are only really visible only under a jewellers loupe, and is securely set in a rim rim surround.