ForMatter/Finishes/cut/Inlay (channel / pietra dura)
finish_cut_inlay

Inlay (channel / pietra dura)

cut · polished · pietra dura, intarsia, marquetry (wood), channel inlay

A piece of stone, shell, or contrasting wood cut to fit a recess in a larger substrate, set flush, polished to a single continuous surface. Reads as a graphic image in mineral / wood, durable for centuries. Pietra dura panels in Florentine cabinetry, turquoise channel-inlay rings, mother-of-pearl shell on guitar fretboards, marquetry on Art Deco furniture.

Substrate is recessed by hand-cutting (jeweler's saw, carving tool) or CNC to match the inlay's outline — clearance ~0.1 mm. Inlay piece is bedded with a setting compound (epoxy, two-part dental cement for stone; hide glue for traditional pietra dura; PVA wood glue for marquetry). Polished flush after cure. Stone-on-stone (pietra dura) uses local matrix of diamond or natural stone matched in hardness; metal-channel inlay uses a wall machined into the metal, the inlay tamped flush, the channel walls peened over to retain.

character — graphic image in inlaid material, flush continuous surface, traditional craft register.

Finish properties

  • levelpolished
  • subcategoryset-into-substrate
  • applies togemstone, wood, metal

Second life

reversibilityzero — gemstone facet styles are subtractive and committed once cut; "re-cutting" produces a smaller stone with different proportions. The original cut is permanent.
blocks substrate recyclingno
renewabilitymoderate — chips and edge wear can be re-polished with minor weight loss; major damage requires full re-cut to a new pattern.

GIA Diamond Grading and Identification literature; AGS American Gem Society cut-grading standards.