“Ishi no Kakera” is a product line from Tokuyama Sekizai that redefines the fragments produced in the process of manufacturing gravestones—bringing the company’s long-accumulated expertise in stone processing down to these “remainders.”

We build upon the craftsmanship that has been honed through gravestone production: precise cutting, polishing, and finishing. Every piece is scrutinised and processed by our craftsmen’s eyes and sensibilities — assessing each material’s dimensions, texture and character — rather than relying on large-scale automated machinery. This dialogue between artisan and stone enables us to preserve the inherent “stoneness” of the material while achieving finely customised forms, textures and engravings.

Fragments of stone—by-products of manufacturing—carry time, story and substance. We transform them into entirely new expressions that retain their original essence: material dignity, endured time, narrative. We do not merely change shape—we uphold substance and elevate it into new value.

If what you seek is not just another stone product, but an active presence born of refined skill and material trust, then our craft forms the foundation upon which your ideas can take shape. Let us create a singular value together. Please review the “Ishi no Kakera” lineup and case studies — begin the conversation. Here, technology and material converge into new meaning.