These are Designer Stud Earrings handmade in 18k Yellow gold: 3.6 grams with diamonds: 0.32 cts and Fire Opal: 6.03cts Pink Sapphire : 0.16 cts This jewellery is made by hand featuring detailed workmanship. Be careful to avoid dropping or banging as physical impacts can result in damage to the pieces including stones falling off. To care for your or jewellery, take caution to keep away from harsh chemicals, Perfume, and Water. You may wipe with a clean polishing cloth to maintain a beautiful shine. Keep in mind that extensive exposure to saltwater, sunlight or harsh chemicals can permanently damage your handmade jewellery. When not in use, keep your jewellery in its box to protect from dust and other debris.