The Harmonie Charms mono earring from Mystery Joy belongs to the My Own Card Game Collection. Created in 18K white gold and set with lab-grown diamonds, the design draws inspiration from classic card motifs, blending modern elegance with subtle playfulness. Material:Whitegold Karat:18K Stones:Lab-Grown Diamond Stone Carat: 0,30 ct Stone Type: VS Does it come with certificate? Yes Can the piece be engraved? Yes