TOP: Oval peach tourmaline and diamond ring set in 18 carat white gold, £3,700.
MIDDLE: Octagonal morganite and diamond ring set in 18 carat rose gold, £3,425.
BOTTOM: Rectangular aquamarine and diamond ring with emerald cut diamond side stones, set in 18 carat yellow and white gold, £5,500.
TOP: Cushion shaped tanzanite and diamond ring set in platinum, tanzanite 4.16 carats, £7,325.
MIDDLE: Oval yellow sapphire and diamond three-stone ring set in 18 carat gold and platinum, £3,750.
BOTTOM: Round tsavorite garnet and diamond ring set in platinum, £3,275.
ABOVE: Cushion shaped pink tourmaline and diamond ring set in 18 carat white gold, £2,800.