This 18ct Maria Tash stud features a prong-set three diamond cluster. This piece was derived from a variation on the classic single ball nostril screw design. An ultra-low profile bezel cup, the cluster of VS/G diamonds sparkle in a small but noticeable way. Item Sold Singly. Care: to keep your jewellery looking bright and new, take a soft headed toothbrush with some mild soap and gently brush the front and back of the stones and metal. Rinse thoroughly with tepid water. Gemstone: Diamond 0.03ct VS2/G. Gold Carat: 18ct gold, post is 14ct gold for thread integrity. Height and Width: 3mm at widest point. Post thickness: 19 gauge = 0.9mm slimline.