3915  Jewelers' Findings and Materials, and Lapidary Work

Establishments primarily engaged in manufacturing unassembled jewelry parts
and stock shop products, such as sheet, wire, and tubing; and
establishments of lapidaries primarily engaged in cutting, slabbing,
tumbling, carving, engraving, polishing or faceting stones from natural or
manmade precious or semiprecious gem raw materials, either for sale
or on a contract basis for the trade; in recutting, repolishing, and
setting gem stones; or in cutting, drilling, and otherwise preparing jewels
for instruments, dies, watches, chronometers, and other industrial uses.
This industry includes the drilling, sawing, and peeling of real or
cultured pearls. Establishments primarily engaged in manufacturing
synthetic stones for gem stones and industrial use are classified in
industry 3299, and those manufacturing artificial pearls are classified in
industry 3961.