GFCO GEM LAB objective is to offer the best price/quality ratio for its service and products. Our prices are within the reasonable in order for most customers to be able to afford a high quality gemstone testing service; we believe the end customers strongly benefit of having a trustworthy gemstone report for their knowledge and record. We always aim at being the most professional with no compromise on impartiality and honesty and we work with transparency, pragmatism and objectivity.

GFCO GEM LAB® — Swiss Gemological Reports for Colored Gemstones GFCO GEM LAB®, operated by Geafinco SA (Switzerland), provides expert gemological reporting for ruby, sapphire, emerald, spinel, and other fine gemstones. Each report represents the professional opinion of qualified gemologists, based on microscope examination, inclusion analysis, and comparison with international reference samples. Treatments are disclosed clearly, and geographic origin is provided when supported by sufficient gemological evidence. GFCO certificates include QR-based or code-based online verification, allowing customers and traders to confirm authenticity instantly on the official GFCO Report Check platform. Trusted by dealers in Switzerland, Bangkok, and global colored-stone markets, GFCO offers a reliable and accessible certification service for gemstone traders.

GFCO GEM LAB®
 
A TRADEMARK OF GEAFINCO SA, SWITZERLAND 
Gemstone Identification POCKET Report With Photograph

POCKET Report With Photo Online Verify 
 
Test all kind of gem

1 Report for 1 stone

If you have won a gem auction and would like to issue a gem certificate before paying, contact us at my message on eBay thank you.