Vintage Art Nouveau Tank Ring Gold 18k 750 + Diamonds Hallmarks 3.11g T57/58

  

Vintage Art Nouveau Tank Ring in 18k 750 Gold with Diamond. Hallmarks Head Eagle + Goldsmith / Diamond tested/certified. Size 57/58 - Oval Table 19.7x10.8mm / Height at finger 5.5mm - Diamond diameter 2.5mm. Real weight weighed 3.11.

For any information / additional photo: 0680082431. PS: The 1 Euro coin, intended to give an idea of the size of the jewel, is not part of the sale!!