Ring with very fine oval faceted tanzanite ca. 2.7 ct and 2 brilliant-cut diamonds totalling ca. 0.28 ct, ca. WHITE (H)/VVS, 18K yellow gold, 13.1 g, surface partly satinized and structurized, ring size 51, 2nd half of 20th century, min. signs of wear, with unknown maker's mark "PS", handcrafted.