Yellow gold, sapphire and diamond ring

Ring set with sapphires and diamonds in 18k yellow gold (750/1000). A central oval-cut green sapphire weighing approximately 2.43 carats is surrounded by 20 mixed-cut diamonds (brilliant and antique) weighing approximately 0.20 carats, and 19 brilliant-cut blue sapphires weighing approximately 1.14 carats. The band measures 2.09 cm wide at the top and fits a ring of size 52. The total weight is 7.24 g. Hallmarked with an owl. Excellent condition.