Dazzlingrock Collection Kate Middleton Diana Inspired Silver Tone Blue CZ Cubic Zirconia Engagement Ring Crafted in base-metal Cubic Zirconia Color / Clarity : White and Blue / Clean Get most bang for your buck Measures 0.67 inch x 0.57 inch. The center cubic zirconia is darker shade of Sapphire color Dazzlingrock 90 Day Warranty - We stand behind our products. If you lose an accent stone or your setting is damaged during NORMAL wear, we will fix it for FREE. Please read our About us page for more info