Platinum and diamond tiered ring

Art Deco platinum ring with graded diamonds, adorned with a 0.30ct central diamond.

Material: Platinum
Hallmark: Dog's head
Weight: 9.4g
Length: 1.8cm
Width: 1.2cm
Resizable ring size: 51.5
Carat weight: 0.30 ct & 0.40 ct surrounding
Number of stones: 33
Period: 1930