White gold emerald ruby ​​and diamond necklace

18k white gold (750/1000) necklace set with 10 square-cut emeralds, each weighing approximately 0.07 ct (total emerald weight: approximately 0.70 ct); 8 square-cut sapphires, each weighing approximately 0.10 ct (total sapphire weight: approximately 0.80 ct); 8 square-cut rubies, each weighing approximately 0.10 ct (total ruby ​​weight: approximately 0.80 ct); and 70 brilliant-cut diamonds, each weighing approximately 0.01 ct (total diamond weight: approximately 0.70 ct). Flexible link chain. Length: 51 cm. Width: 0.57 cm. Total weight: 23.42 g. Owl hallmark. Excellent condition.