Tank ring in pink gold and diamonds

18k rose and white gold ring (750/1000). Set with diamonds: one old-cut diamond weighing approximately 0.18 ct; six diamonds weighing approximately 0.30 ct each (approximately 0.05 ct each). Total diamond weight approximately 0.48 ct. Width at the top: 1.25 cm. Ring size: 59. Total weight: 6.00 g. Eagle's head hallmark. Excellent condition.