Ellyn's Black CZ Wedding Ring Set The black rhodium electroplating will eventually wear off and need to be re-plated. We offer a 30 day Guarantee, No Questions Asked. You may get a replacement or a refund by simply contacting customer service. Ellyn's Black Wedding Ring Set - Simulated Diamond is a spectacular set that features a classic wedding set design, but in a sleek & sexy black color. Princess cut CZs are encrusted over a black rhodium plated, .925 sterling silver metal design. You've never seen anything like this stunning set, so add this unique jewelry piece to your ensemble today!