Yes for stones sold as diamonds. IGI and GIA issue reports for lab-grown stones, and the report number is usually laser inscribed on the girdle.
FAQ
Do lab-grown diamonds need a certificate?
Yes for stones sold as diamonds. IGI and GIA issue reports for lab-grown stones, and the report number is usually laser inscribed on the girdle.
Short answer
Yes for stones sold as diamonds. IGI and GIA issue reports for lab-grown stones, and the report number is usually laser inscribed on the girdle.
Related questions
Yes for stones sold as diamonds. IGI and GIA issue reports for lab-grown stones, and the report number is usually laser inscribed on the girdle.
Both are accepted in trade; IGI is the volume standard for lab-grown while GIA carries broader consumer recognition. What matters more is the process: match the laser inscription to the report at receipt, every stone, every delivery. The certificate without inscription matching is paper, not protection.
For parts in prolonged skin contact, yes in practice: the REACH nickel entry limits release, and EN 1811 is the reference method for plated items. Collect the report on the plated finish from the plating supplier, a declaration of conformity per style from the factory, and re-test when the plating supplier changes. Reports on bare metal are not evidence.
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