The Calvin Klein Placid ring is made of stainless steel partially plated in yellow Gold PVD and it weighs 25.4 grams. The ring boasts a band thickness of 10 mm and a top height of 4 mm while top dimensions measure 19 by 19 mm. This ring is coated by the Physical Vapor Deposition process (PVD) The vapors adhere to negatively charged pieces to form a thin highly durable coating. PVD coating is long-lasting highly durable and scratch-resistant. Many high-value items like golf clubs are typically coated with PVD.