Marguerite ring in platinum, sapphire and diamonds

900 platinum ring. set with sapphire and diamonds. one mixed oval cut sapphire. with a total weight of approximately 1.76 ct. surrounded by 10 8/8 cut diamonds. with a total weight of approximately 0.7 ct. (each diamond weighing approximately 0.07 ct). 10 rose cut diamonds. with a total weight of approximately 0.01 ct. (each diamond weighing approximately 0.001 ct). total diamond weight approximately: 0.71 ct. top width: 1.37 cm. finger size: 55. total weight: 3.78 g. mascaron hallmark. excellent condition