The Honneur Charms mono earring from Mystery Joy is part of the My Own Card Game Collection. Crafted in 18K gold and adorned with lab-grown diamonds, it reflects the strategic beauty of card games in a timeless and sophisticated design. Material:Gold 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