1.9 Carat Lab Grown Diamond Tiffany Bridal SetClassic Round Brilliant Diamond 2pc Bridal Rings Set Extra Secure Double Prongs + Tulip Crown Round lab grown diamonds line this classic engagement ring in solid 14k gold metal with a high polish finish. Four double prongs grip the center diamond securely in place with a subtle tulip crown connecting them. Matching to the dual prongs are the smaller split prongs along both bands carrying diamonds halfway around the perimeter. Kobelli EX Lab Grown