Diamond 1.51 ct according to engraving. Ca H-I/vvs-vs. H&Å, Hellström & Åhrling, Stockholm 1975. Front width approximately 12 mm. Size 20.5/64. Weight 31 grams.
Wear commensurate with age and use. Engraving. Scratches. Note that the diamond has been graded in its setting.