Lab Grown Trillion Cut Three Stone Classic Lab Diamond Engagement Ring - Platinum. Captivating trillion shaped diamonds brilliantly frame the center gem in this classic three stone engagement ring. The petite band gently tapers and secures the gems within elegant claw prongs (1/8 total carat weight). Classic Asscher Cut Platinum Diamond Ring, Classic Three-stone Cubic Zirconia Diamond Ring, Timeless Three Stone Diamond Ring, Classic Diamond White Moissanite Ring, Classic Three Stone Cubic Zirconia Diamond Ring, Classic Moissanite Diamond White Ring, Timeless Three-stone Diamond Ring, Radiant Cut Brilliant Lab Grown Diamond Ring, Formal Radiant Cut Lab Grown Diamond Ring