Very beautiful ring, large transparent stone, in silver, Minerva mark in good condition, some wear, 3 hallmarks including 925 and Minerva, stone dimensions 2.9 cm X 1.9 cm, size 54 or 1.75 cm, total weight 29.53 gr, see photos. Check out my other items! Reduced shipping costs for bulk purchases. Condition: Used item that has been worn. Possible imperfections. Size: 54 Purity of metal: 925 parts per 1000 Metal: Solid silver.