Beautiful opening heart locket dating from around the 1980s. It's 9ct white gold and set with a single diamond. The pendant / locket is marked 375 on the bale, there are other marks too but they're so small , I have taken a close up pick of the hallmarks, comes on an 18" white gold chain which is also hallmarked 375.The hinge is in good condition and it closes securely. . Good vintage condition.weighs 2.05grams.Collection welcome or I will send royal mail guaranteed special delivery.ONE DAY... LISTING SO YOU WILL RECEIVE IN TIME FOR CHRISTMAS.