Nina Koppel (1942-1990): A 'Fusion' ring of 18k tri-colour gold set with diamonds, total 0.16 ct. Size 55. (3)

Nina Koppel for Georg Jensen: A 'Fusion' ring of 18k tri-colour gold. Center ring set with eight brilliant cut diamonds, totalling 0.16 ct. Colour: Top Wesselton (G). Clarity: VS. Total weight 17.1 g. Total width 11.8 mm. Size 55. (3)
Box included. Shows normal signs of wear.