While we’re all about mixing, matching, piling and stacking our baubles, we believe that every woman should own one meaningful piece of jewelry they never want to (or have to) take off. If you’ve still yet to find that sentimental piece you’ve been pining for, invest in one of these modern updates to the classic charm necklace. Whether you’re a fan of surf and sand or have a spiritual side, there’s a keepsake here sure to speak to your unique personality. Here, 6 fully customizable styles we know you’ll love.