Clockwise, from top left: Oval rose-cut diamond spiral bangle in 18ct white gold with diamond micro-surround setting, DAVID MORRIS; TwentyFour ring in 18ct yellow gold with white diamonds, GARRARD; Cabochon Pearl cream and gold bangle, and Mosaic cream and gold bangle, both HALCYON DAYS; Palm ring with marquise and pear-shaped diamonds in 18ct white gold, DAVID MORRIS; TwentyFour ear climber earrings in 18ct white gold with white diamonds, GARRARD T H E C A R N E G I E C L U B