Emerald and diamond ring, claw-set to the front with a square emerald-cut emerald weighing approximately 11.23 carats, framed by a border of similarly set brilliant-cut diamonds to a diamond-set gallery and split shoulders, the diamonds together weighing approximately 1.40 carats, mounted in 18ct white gold, size G/12; with reduction band. Accompanied by a GSL report numbered AA68311, dated 29 September 2023, stating that the emerald is natural, with moderate levels of oil, of Colombian origin.. Provenance: Sauer (trading as Amsterdam Sauer), Rio de Janeiro. Private collection, Sydney, acquired from the above in February 2013