NIESSING tension ring with brilliant-cut diamond 0.50 ct,

NIESSING tension ring with brilliant-cut diamond 0.50 ct, TW (M)/VS, laser engraving in the girdle 'GIA 5426203213', 18K yellow gold, 9.3 g, satin finished, ring size: 54, W: approx. 3.5 - 5 mm, original price: approx. €7,945 (2025), 21st century, signs of wear, with hallmark 'NIESSING' and engraving 'W522552'. Original Niessing jewellery box with overbox, GIA certificate copy no.: 5426203213 and sales receipt enclosed.