The Yin Yang Large Signet 18K Gold Ring w.Lab-Grown Diamonds from Mystery Joy is part of the Protection Collection and reflects thebrands playful universe inspired by the world of games such as cards and chess. Crafted in fine materials with a modern and elegant touch, this piece balances sophistication with a sense of movement and strategy. Designed to catch the eye, it brings a subtle hint of playfulness into everyday life while remaining timeless.. Material:Gold Karat:18K Stones:Lab-Grown Diamond Stone Carat: 0,37 ct Stone Type: VS Does it come with certificate? Yes Can the piece be engraved? Yes