Going beyond visual inspection. We leverage laboratory-grade technology and decades of expertise to ensure absolute certainty.
500+
Items Authenticated Monthly
0
Counterfeits Passed
15-Step
Rigorous Forensic Audit
X-ray fluorescence (XRF) spectroscopy to verify metal alloy purity. We ensure gold, platinum, and steel grades match exact manufacturer specifications.
Electron microscope examination of leather pore patterns at 40x magnification to distinguish genuine calfskin, togo, or epsom from synthetic alternatives.
Digital caliper measurement of stitch spacing and thread gauge against the brand's documented standards for each specific production year.
Precision scale measurement (0.01g accuracy) of clasps, zippers, and buckles against original equipment manufacturer (OEM) weight specifications.
High-resolution scan of brand stamps compared against a proprietary database of authentic font metrics across 30+ production years.
Verification of serial/date codes against manufacturer database records, including production date, factory origin, and material batch.
Ultraviolet light examination to detect modern adhesives, repairs, or material replacements not consistent with original manufacturing methods.
Microscopic analysis of edge paint application technique, color saturation, and curing patterns unique to each brand's finishing process.
Full interior inspection including lining material, interior stamps, pocket construction, and zipper pull authenticity and movement.
Case-back opening to inspect caliber, rotor engravings, jewel count, and serial matching against manufacturer archives for absolute mechanical integrity.
Professional pressure testing to verify gasket integrity and water resistance matching the timepiece's original technical specifications.
Machine learning model trained on 500,000+ authentic and counterfeit samples provides an objective probability score for every item.
Verification of box construction, warranty cards, manuals, and authenticity cards against the brand's packaging evolution timeline.
Comprehensive review of ownership history, purchase receipts, service records, and any previous independent authentication certificates.
Comprehensive report generation with a unique COA number, photographic evidence, and our industry-leading lifetime authenticity guarantee.
Item is logged and initial high-resolution macro photography is captured.
XRF, microscopy, and AI scoring are conducted by specialized technicians.
Senior authenticators manually verify all forensic findings against archives.
Final COA is generated and the item is secured for delivery.
Our COA is more than just a piece of paper; it is a legal guarantee backed by forensic evidence. Every certificate includes:
Lux Resale Official
Our forensic lab is available for independent authentication consultations. Protect your investment today.
Schedule a Free Consultation