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Authentic

Congratulations, your certificate is authentic:

  • Certificate Code:GEM000100175
  • Date of Certificate: 13/10/2025
  • Clatiry: Eye clean
  • Weight: 4,83 ct.
  • Shape: Asscher step mix cut
  • Measurement: 9,83×9,81×6,13mm 
  • Species: Zoisite
  • Color: Intensive neonblue
  • Origin: Tansania
  • Vatiety: Tansanithe
  • Other/Result: Natural Tansanithe no traces of treatment                                        
  • Replacement value € +-10% € The replacement value on a retail basis is estimated including VAT at the time of writing this report The annual increase is estimated at 2% to 5% CIBJO and international gemologists classify heating as a natural process       
  • For questions contact us: info@athensgem-lab.com