Platinum and diamond ring

Tank ring in white gold and platinum with a geometric design, centered with a brilliant-cut diamond of approximately 0.50 carats, flanked on each side by a brilliant-cut diamond of approximately 0.15 ct, between two lines of diamonds.

• Material: Platinum 
• Hallmark: Dog's head 
• Weight: 11.7g
• Length: 1.5 cm
• Width: 1.2 cm
• Resizable finger size: 53
• Carat weight: 0.50 cts and 0.15 cts x2
• Number of stones: 20
• Period: 1930