Amanda Blu Aqua and Silver Oval Marquis Cut Earrings dial up the glam with a hoop style thats studded with blue and turquoise color accents all around. These Amanda Blu 18-kt. plated silver earrings feature blue faux cubic zirconia diamonds cut into marquis shapes. They add shimmer to eveningwear or an unexpected accent to denim and jeans. Length: 1. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Earrings.