339913  Jewelers' Material and Lapidary Work Manufacturing

This U.S. industry comprises establishments primarily engaged in one or
more of the following: (1) manufacturing unassembled jewelry parts and
stock shop products, such as sheet, wire, and tubing; (2) cutting,
slabbing, tumbling, carving, engraving, polishing or faceting precious
or semiprecious stones and gems; (3) recutting, repolishing, and
setting gem stones; and (4) drilling, sawing, and peeling cultured
pearls.

The data published with NAICS code 339913 include the following
SIC industry:

3915 Jewelers' materials and lapidary work