Pearl necklace and gold brooch with diamonds and sapphires

18k white gold, lot consisting of: a single-strand of graduated saltwater cultured pearls mneklace, decorated with 12 huit-huit cut diamonds estimated to weigh a total of approximately 0.25 ct, colour H-I, clarity VS-SI, and 12 round-cut sapphires, for a total weight of approximately 1.70 ct, as gauged and graded in the mount; a brooch with a ribbon and flower motif in brilliant-cut diamonds estimated to weigh a total of approximately 1.15 ct, colour G-I, clarity VS-SI, and teardrop-shaped sapphires, weighing a total of approximately 2.00 ct, as gauged and graded in the mount. 

Hallmarked: "18k - 750 - 89 AL - ITALY".