Tesoro is all about helping you find—or create—the ideal ring for you, whether you’re choosing a classic at the Diamond & Design Bar, thinking outside the box with other gemstones, or looking for ways to reinvent an heirloom piece. And with plenty of lab-grown and conflict-free stones available, you can feel good about your purchase. 149H South Main St., Middleton, 978-539-8720, tesoroboston.com
