The Standard of Gold Fineness
All Poh Heng products made out of gold or gold alloy in accordance with the Singapore Standard SS581: 2020 (Specification for Fineness and Marking of Articles of Precious Metals) as they bear an indicative mark of gold content fineness.
The standards of fineness are defined by: Karat (K) which represents 1/24 part of pure gold or Numerical mark which represents the number of parts by weight of pure gold expressed in parts per thousand.