Co-founded by a 10th generation jeweler and gemologist, Soha Diamond Co. features engagement rings and other fine jewelry made with lab-grown diamonds and colored gemstones, in 100% recycled precious metals. Schedule an appointment in their new location in downtown Madison, or shop online. Soha Diamond Co. has an entire bridal collection online, or they can meet in person to help create your own one-of-a-kind heirloom. Don't forget the gifts! They are fully stocked with earrings, necklaces and bracelets as well.