Marguerite ring in platinum and diamonds

Daisy ring in 900 thousandths platinum, set with an old-cut diamond weighing approximately 1.45 ct, surrounded by 10 brilliant-cut diamonds with a total weight of approximately 0.7 ct (each diamond weighing approximately 0.07 ct). Total diamond weight approximately: 2.15 cts. Top width: 0.77 cm. Ring size: 51. Total weight: 5.67 g. Dog's head hallmark. Excellent condition.