Estate Rare Australian Opal and Diamond Ring. The ring is centrally set with a tonneau shaped opal measuring 17.50mm x 11.50mm and it exhibits a fine crystal bodycolor with an excellent harlequin play-of-color. It is framed with 28 round brilliant cut diamonds weighing 1.00cts. The 18k yellow gold mounting weighs 22.0dwt/34.3g. The ring is a size 7 1/2.

Estate Rare Australian Opal and Diamond Ring. The ring is centrally set with a tonneau shaped opal measuring 17.50mm x 11.50mm and it exhibits a fine crystal bodycolor with an excellent harlequin play-of-color. It is framed with 28 round brilliant cut diamonds weighing 1.00cts. The 18k yellow gold mounting weighs 22.0dwt/34.3g. The ring is a size 7 1/2.