Welcome to LoyHarn.com! Loy Harn Jewelers is a family-owned jewelry store that was established in Mount Pleasant, SC in 1980. We are a fine jewelry retailer and specialize in custom jewelry design and manufacturing, jewelry and watch repair, and we are your local source for GIA certified diamonds - and we will beat any price that you find online or locally! We also provide numerous gift items from sterling silver baby cups and spoons to Smathers & Branson needlepoint belts and wallets for men. We look forward to being your full service jewelry store for generations to come.