Home  /  REPORT CHECK
GEM IDENTIFICATION REPORT (BLACK EDITION)

GENERAL INFORMATION
  • Date of Issued13 November 2024
  • ObjectOne faceted gemstone
  • Image is Approximate
  • Report Number5273653600
  • SpeciesNatural Corundum
  • VarietyNatural Sapphire
  • Weight13.08 Carats
  • EnhancementIndications of Heating

ORIGIN INFORMATION
  • Gemological testing revealed characteristics consistent with those of Natural Sapphire from:
  • CountrySri Lanka
  • Sri Lanka mines produce 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 sapphire producers in the world. The famous sapphire at the heart of Princess Diana's engagement ring is from Sri Lanka too.

ADDITIONAL INFORMATION
  • Measurements15.27 x 12.48 x 7.97 mm
  • ShapeOval
  • Cutting StyleModified Mixed
  • TransparencyTransparent
  • ColorBlue
  • ToneMedium
  • SaturationMedium
  • 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
  • The UV-Vis-NIR spectrum of this sapphire shows iron-related absorption at 388nm and 450nm. And the absence of broad band at 880nm helps to distinguish the environment this sapphire was formed in.
  • Special Mention
  • One of the most important criteria for a gemstone's quality is its color, the gemstone described in this report possesses a gentle yet mesmerizing blue hue. In addition to its color, the stone exhibits nice brilliance due to its amazing lustre. Given these quality traits, the gemstone is deserving of a dedicated mention.
  • 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.
Disclosure Notes, Limitations & Disclaimer
SOCIALISE WITH US


Sitemap
Address

SO-22-8, Strata Office,
Menara 1 KL Eco City,
Jalan Bangsar,
Kg Haji Abdullah Hukum,
59200 Kuala Lumpur, Malaysia.

Contact
+603-2202 3833

+6012-3833 192   

info@globalgemological.com