S.P. International, based in Kofu-shi, Yamanashi, Japan, has been a trusted name in the stone and jewelry business for over 30 years. Specializing in exquisite handmade jewelry, the company creates unique pieces that showcase the beauty of natural stones. Each stone is carefully selected and rigorously tested for quality and authenticity, ensuring that every creation is not only visually striking but also of the highest standard. With decades of expertise, S.P. International has earned a reputation for blending traditional craftsmanship with the natural elegance of stones, offering customers timeless, one-of-a-kind jewelry pieces.