Myrna: Heart-cut Simulated Ruby and IOF CZ Engagement Dublin Claddagh Ring Silver, 3221B A gorgeous choice for a promise, friendship, commitment or engagement ring and the ideal gift for someone with a July birthdate! Features an approx. 6.0mm, 0.75 carat, Heart-cut Simulated Ruby solitaire. Made with solid 925 Sterling Silver. Love, loyalty, friendship and commitment are the hallmarks of our Dublin collection of Claddagh rings!