Necklace in yellow gold, white gold and diamonds

18k yellow and white gold necklace. Flexible graduated link. 30 diamonds, approximately 0.015 ct each. Total diamond weight: 0.45 ct. Length: 49.50 cm. Width: 1.43 cm at the bottom and 1.09 cm at the top. Snap clasp with figure-eight safety catch. Total weight: 63.68 g. Eagle's head hallmark. Excellent condition.