Synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport

7 tariff lines under Chapter 71 — Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof

HSN heading 7104 (SYNTHETIC OR RECONSTRUCTED PRECIOUS OR SEMIPRECIOUS STONES,) contains 7 customs tariff items at the 8-digit level. None are covered by a Bureau of Indian Standards (BIS) Quality Control Order; the rest are administered by Partner Government Agencies or carry no requirement.