If you love the charm concept but can’t get excited about a wee golden corgi jangling from your wrist, try Tenthousandthings, where “charm necklaces” (from $1,500) feature clusters of semiprecious stones. The designers spend hours getting the combinations just so. “When the right someone puts one on,” says co-owner David Rees, “immediately, it belongs to her.” 137 West 19th Street (212-352-1333).