This 4.2 carat lab grown sapphire trillion cut is set in a sterling silver setting with a rhodium finish. The rhodium finish protects the silver and makes for easy care. Cubic zirconias accent the setting. This ring is a size 7 and can be special ordered in another size. To clean: simple wash in a mild detergent like Dawn with a tooth brush. You do not want to put a rhodium plated piece of jewelry in any harsh chemicals. Style Number: 12506 Metal: 925 Sterling Silver Gemstone: Lab Grown Sapphire