´20s YEARS DIAMOND RING, DIAMOND OF 1,15 ct. H colour, SI2 purity, OVER PLATINUM MOUNTING, SET IN THE AIR BY 6 CLAWS OVER AN UNDULATING BORDER FLANKED BY 2 SMALLS DIAMONDS OF 0,05 ct OVER PLATINUM MOUNTING French punch (owl). Measure nº 15. Weight 3,20 gr.