Emerald and diamond ring, impressive square emerald and diamond ring ,the 8.26 carat Columbian emerald bezel set in 18 ct yellow gold is bead set with twelve round brilliant cut diamonds totalling 1.44 cts, set to a wide 18 ct yellow gold shank, valuation supplied. Spectra gem report No.897, total weight of ring 18.53 grams size O, Provenance: The estate of Maxine Rava, all proceeds donated to 'The Maxine Rava Cannabis for Cancer Research and Health care Fund' at the Flinders University's 'Centre for Innovation in Cancer', Adelaide, South Australia