This is a black rhodium engagement wedding anniversary promise ring set with black cubic zirconia made of white gold filled with Black Rhodium plating. Small clear pave crystals enhance this ring and add even more sparkle. Main stone is 8mm. Rings measure a total of 15mm when worn together. This is a unique ring for a unique lady! This ring comes in the sizes listed above. Sent with jewelry care instructions, ready to ship in 1-3 days.ring