Chain necklace in 2 golds and diamonds

18k yellow and white gold necklace. Flat curb chain. 70 brilliant-cut diamonds, approximately 0.07 ct each. Total diamond weight: 0.70 ct. Length: 45 cm. Width: 0.40 cm. Double figure-eight safety clasp. Total weight: 64.72 g. Owl hallmark. Excellent condition.