Platinum ring, diamonds and rectangular ruby

Platinum ring, diamonds and rectangular ruby, adorned in its center with an old-cut diamond weighing approximately 0.40 ct.

Highlighted by a line of calibrated rubies on each corner.

• Material: Platinum 
• Hallmark: dog's head 
• Weight: 5.8g
• Length: 2 cm 
• Width: 1.3 cm
• Adjustable ring size: 55
• Carat weight: 2.40 ct 
• Number of stones: 26 stones
• Period: 1920