A recent photo shared on social media highlights a diamond grading report issued by PNJ Laboratory (P-Lab), sparking widespread discussion online. The image captures a official red stamp and signature belonging to Đặng Ngọc Thảo, the former director of the PNJ Laboratory division.
The text overlay reads, "Now opening the PNJ certificate to see who signed it," reflecting a sudden surge of curiosity among buyers. This attention follows recent legal developments in July 2026 involving the former executive, leaving many consumers double-checking their own jewelry documents to verify the origins and grading credentials of their gemstones.
