Hi hun, i have a stack of 3 rings for the middle finger (thin gold band and half diamond pave band are from a local jeweler, and the ring in the middle is three Cartier Love Ring, the ring on the index finger is Cartier Jus Elen Clou) 😊
There's no code. It should be automatic once the purchase requirements are met. I believe that exact one is no longer available. But they do have another gift offer available currently for purchase over $175.