Bow brooch in 2 golds and diamond

Diamond Knots brooch. In 18k yellow and white gold (750/1000). Trimmings motif. Matte and polished yellow gold. Set with 11 rose-cut diamonds. On white gold. Total diamond weight: approximately 0.066 ct (7 diamonds of approximately 0.01 ct each, 2 diamonds of approximately 0.005 ct each, and 2 diamonds of approximately 0.001 ct each). Dimensions: 3.55 cm x 1.92 cm. Total weight: 5.49 g. Eagle's head hallmark partially worn. Excellent condition.