Rectangular platinum, diamond and ruby ​​ring

Rectangular platinum, diamond and ruby ​​ring, adorned in its center with an old-cut diamond of approximately 0.40 cts.

Highlighted by a line of calibrated rubies on each corner.

• Material: Platinum
• Hallmark: dog head
• Weight: 5.8 grams
• Length: 2cm
• Width: 1.3cm
• Adjustable finger size: 55
• Carat number: 2.40cts
• Number of stones: 26 stones
• Period: 1920