Ring with very fine black opal ca. 3.5 ct (ca. N3) with intense play-of-colour, green/blue at the rim, center with red/orange patches, value: conv. ca. 13,800 € (1998, Australia), laterally 2 triangular-cut diamonds ca. 0.20 ct each, ca. TIW (K)/VS-SI, 18K YG, 10.2 gr, ring size 56, 1990s, minor signs of wear, opal slightly scratched, incl. appraisal.