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GEM IDENTIFICATION REPORT (BLACK EDITION)

GENERAL INFORMATION
  • Date of Issued20 March 2024
  • ObjectOne faceted gemstone
  • Image is Approximate
  • Report Number6407073312
  • SpeciesNatural Corundum
  • VarietyNatural Fancy Sapphire
  • Weight16.12 Carats
  • EnhancementIndications of Heating

ORIGIN INFORMATION
  • Gemological testing revealed characteristics consistent with those of Natural Fancy Sapphire from:
  • CountrySri Lanka
  • Sri Lanka mines produce fancy sapphire since ancient times, it has been well established by 1292, when Marco Polo first landed the Gem Island. To this day, it is still one of the most prominent fancy sapphire producers in the world.

ADDITIONAL INFORMATION
  • Measurements14.82 x 12.01 x 10.63 mm
  • ShapeOval
  • Cutting StyleModified Mixed
  • TransparencyTransparent
  • ColorVivid Orange
  • ToneMedium
  • SaturationVivid
  • Refractive Index1.762 - 1.770
  • Specific Gravity4.00 ±
  • MagnificationDissolved silks, Melted crystals
  • EnhancementIndications of Heating
  • CommentsAny statements on origin is an expert opinion based on a collection of observations and analytical data.

IMPORTANT INFORMATION
  • Tested withUV-Vis-NIR Spectrometer
  • As the general colorless corundum formula is aluminium oxide, the presence of trace elements and/or the crystal lattice defect will provide its color.
  • Special Mention
  • One of the most important criterion of a gemstone‘s quality is its color. The natural fancy sapphire described in this report possesses vivid saturated orange which instantly captivates people's attention. Apart from its color, the stone exhibits good lustre, giving the stone a beautiful brilliance.
  • Examined by Global Gemological Laboratory team of experienced gemologists (GG from GIA, AG from AIGS)
Tested and examined by GlobalGem Group of qualified Gemologists comprising members from GIA (GG) of America, Gem-A (FGA) of United Kingdom and AIGS(AG) of Asia.
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