Vintage iolite and filigree engraved 14k yellow gold ring by American jewelry designer Becky Kelso.ID#: RG642Iolite: One (1) prong set, oval rose cut iolite measuring approximately 9.5 x 7.3 mm.Metal: 14k yellow goldSize: 7Weight: 4.13gMarkings: '14k', 'KELSO'