THE PROFESSIONALS
Founded half a century ago in Sangen-jaya, Tokyo, the pride of our craftsmanship stems from thoughts put into every ring and continues to flourish along with ever-changing times. Utilizing jewelry-crafting technologies since our founding, artisans who specialize in our custom-made jewelry brand—アダン (ADAM)—thoughtfully devised programmes for our workshops, assuring that every process is achievable even for beginners. These programmes also ensure that the jewelry crafted are of remarkable quality and long-lasting.






















