Gorgeous Rubies accented by Diamonds set in a Lovely 14k Yellow Gold Cluster Ring. US Size 7 3/4 Rubies approximately 1.1 ctw Diamonds 0.08 ctw, approximately Diamond Grade: J / I Widest Point measures approximately 13.6 mm. Back of the shank tapers down to 2.1 mm, approximately. Nicely weighted at 3.6 grams, approximately. Stamped 14K Ruby is the birthstone for July. Diamond is the birthstone for April.