Ring with 1 royal blue sapphire deep-blue, of: 1.30CT (marked), surrounded by 16 small diamonds

Ring with 1 royal blue sapphire deep-blue, weighing: 1.30CT (marked), surrounded by 16 small diamonds, color: I and clarity: VS-SI. Set in 18kt white gold (marked 750). Ring size: 53-56

Estimation
1,250€ - 1,500€