Art Nouveau emerald and diamond ring

This Art Nouveau ring is made of 18 karat yellow gold and platinum.  The two center Old European cut diamonds are approximately .50ct each.  The emeralds are the French cuts you would expect in a piece of this age and artistry.

• Weight 2.9 grams
• 12mm x 18mm
• Band width 1.3mm 
• Size 6 3/4