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GEM IDENTIFICATION REPORT (BLACK EDITION)

GENERAL INFORMATION
  • Date of Issued11 March 2024
  • ObjectOne faceted gemstone
  • Image is Approximate
  • Report Number9045493653
  • SpeciesNatural Corundum
  • VarietyNatural Fancy Sapphire
  • Weight23.57 Carats
  • EnhancementNo Indications 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
  • Measurements20.70 x 15.57 x 8.00 mm
  • ShapeOval
  • Cutting StyleModified Mixed
  • TransparencyTransparent
  • ColorStrong Yellow
  • ToneMedium
  • SaturationMedium - Strong
  • Refractive Index1.762 - 1.770
  • Specific Gravity4.00 ±
  • MagnificationUraninite crystals, Fingerprints, Crystals
  • EnhancementNo Indications 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 will provide its color. In this stone the presence of yellow color is due to the presence of iron, it is proven by Fe-related absorption features at 450nm.
  • Special Mention
  • The 23.57 carats natural fancy sapphire as described in this report is a true rarity. The gemstone possesses an alluring yellow color complements with good lustre, giving the stone the amazing brilliance. Beyond its color, the stone has not been detected with any treatment, hence all the beauty of the stone is natural. Based on its quality traits, this gemstone deserves our special mention and appreciation.
  • 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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