A diamond retailer shall at time of sale, issue to the consumer an invoice or receipt and retain a copy of that invoice/receipt for not less than 3 years from the date of issue.
The invoice or receipt shall contain:
the full name and address of the supplier;
the price of the article;
the date of supply;
the total weight of the diamond in carats or where the weight is unknown to the retailer, a statement to that effect; and
a description of the article as
i. being composed solely of diamond;
ii. being inlaid with diamond; or
iii. being inlaid with both diamond and other precious stones, as appropriate;
A notice of not less than 210 mm x 297 mm shall be displayed at the point of supply informing consumers the definition of "diamond" and the statutory requirements on retailers to issue invoices or receipts for each article of diamond supplied.