7104 Precious and semi-precious stones, synthetic or reconstructed, 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

7104 (01/1988-..) Precious and semi-precious stones, synthetic or reconstructed, 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 71041000 (01/1988-..) Quartz, piezoelectric, of synthetic or reconstructed stone whether or not worked or graded, but not mounted or set 71042000 (01/1988-12/2019) Precious and semi-precious stones, synthetic or reconstructed, unworked or simply sawn or roughly shaped, whether or not graded (excl. piezoelectric quartz) 71042010 (01/2020-12/2021) Diamonds, synthetic or reconstructed, unworked or simply sawn or roughly shaped 71042090 (01/2020-12/2021) Precious and semi-precious stones, synthetic or reconstructed, unworked or simply sawn or roughly shaped, whether or not graded (excl. piezoelectric quartz and diamonds) 71042100 (01/2022-..) Diamonds, synthetic or reconstructed, unworked or simply sawn or roughly shaped 71042900 (01/2022-..) Precious and semi-precious stones, synthetic or reconstructed, unworked or simply sawn or roughly shaped, whether or not graded (excl. piezoelectric quartz and diamonds) 71049000 (01/1988-12/2019) Precious and semi-precious stones, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport (excl. stones simply sawn or roughly shaped, piezoelectric quartz) 71049010 (01/2020-12/2021) Diamonds, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded diamonds, temporarily strung for convenience of transport (excl. diamonds simply sawn or roughly shaped) 71049090 (01/2020-12/2021) Precious and semi-precious stones, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport (excl. stones simply sawn or roughly shaped, piezoelectric quartz and diamonds) 71049100 (01/2022-..) Diamonds, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded diamonds, temporarily strung for convenience of transport (excl. diamonds simply sawn or roughly shaped) 71049900 (01/2022-..) Precious and semi-precious stones, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport (excl. stones simply sawn or roughly shaped, piezoelectric quartz and diamonds)