Description Sophisticated Cartier love bracelet in yellow gold. Iconic design with subtle engravings. Cartier" Stamp: The presence of the "Cartier" signature stamp is a key indicator found on authentic pieces. "750" Stamp: The "750" stamp indicates that the ring is made of 18k gold, which is the standard gold purity used by Cartier in their jewelry, alongside platinum. Serial Number/Marking: The marking is likely a serial number or production code, which is typical for authentic Cartier items to track their origin and details.