Vintage Heart Shaped Cognac Mali Garnet Ring Sterling Silver with Real Diamond Clusters Size 6.75 - Good Condition, Normal Wear Quality Vintage Ring ... Includes FREE SHIPPING. Note the projected collectibles, vintage, antiques, and memorabilia, U.S. market is poised for substantial growth on-average 6.5% Compound Annual Growth Rate (CAGR) to reach $280 Billion revenue by 2033.