Tank ring in pink gold and diamonds

Retro Tank ring in 18k rose gold (750/1000) and platinum (950/1000). Set with a central half-cut diamond weighing approximately 0.45 ct. Ten brilliant-cut diamonds, each weighing approximately 0.056 ct. Total weight of the ten diamonds: approximately 1.01 ct. Four trapezoid-cut sapphires, each weighing approximately 0.09 ct. Total weight of the sapphires: approximately 0.36 ct. Synthetic sapphires are possible due to the retro style; characteristic of the period. Width at the top: 1.42 cm. Ring size: 53. Total weight: 15.41 g. Eagle's head and dog's head hallmarks. Excellent condition.