English mesh necklace Yellow gold Sapphire

18k yellow and white gold necklace set with sapphires and diamonds. English link design. Five marquise-cut blue sapphires with a total weight of approximately 0.51 ct (one sapphire of approximately 0.15 ct, two sapphires of approximately 0.11 ct each, and two sapphires of approximately 0.07 ct each). Four brilliant-cut diamonds set in white gold, each weighing approximately 0.005 ct. Total diamond weight: approximately 0.02 ct. Length: 42 cm. Chain width: 0.34 cm. Setting dimensions: 4.66 cm x 0.9 cm. Owl hallmark. Excellent condition.