Lot of two rings with diamonds and sapphire

MATERIAL: yellow gold, white gold, diamonds and sapphires DESCRIPTION: Lot, shield ring in white gold with square-cut sapphire surrounded by brilliant-cut diamonds and another daisy ring in yellow gold, made with oval-cut sapphire embellished with brilliant-cut diamonds, bear the mark 750 MEASURES: 6 and 7 respectively WEIGHT: 1.10 ct total diamond, total 12.7 g