25.86-carat-marcial-de-gomar-cabochon-double-star-emerald Published February 22, 2017 at 797 × 899 in HIGHLIGHTS OF GUERNSEY’S NYC AUCTION OF MARCIAL DE GOMAR COLLECTION ON APRIL 25, 2017 25.86-carat Marcial de Gomar double-sided cabochon star emerald← PreviousNext →