Authentic Cartier Love Ring 18k yellow gold Classic model- approximately 5.5mm Size 8 (size 57) I just brought this to a jeweler and had it polished, it is in excellent condition Comes with pouch- do not have receipt- the original owner passed away. 40% of proceeds goes to The Jimmy Fund / Dana Farber Cancer Institute- ovarian cancer. Poshmark will also authenticate prior to being delivered to you since it is over $500