Global Gemological Certify Gemstone Diamond Jade & Pearl in Malaysia | Are my diamonds real? Where to check diamonds & gemstones authenticity and get certificate?

GEM IDENTIFICATION REPORT (BLACK EDITION)

GENERAL INFORMATION

Date of Issued20 March 2024
ObjectOne faceted gemstone
Image is Approximate
Report Number0501761322
SpeciesNatural Corundum
VarietyNatural Ruby
Weight13.93 Carats
EnhancementNo Indications of Heating

ORIGIN INFORMATION

Group

Gemological testing revealed characteristics consistent with those of Natural Ruby from:

CountryTanzania

Tanzania's ruby was discovered relatively recently in the late 20th century. Since then, Tanzanian rubies have gained recognition in the gemstone industry. They are known for their rich, deep red color.

ADDITIONAL INFORMATION

Measurements13.40 x 15.02 x 9.78 mm

ShapeHeart

Cutting StyleMixed

TransparencySemi-Transparent

ColorRed

ToneMedium - Medium Dark

SaturationMedium

Refractive Index1.762 - 1.770

Specific Gravity4.00 ±

MagnificationIrregular crystals, Platelets

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 red color is due to the presence of chromium, it is proven by the broad band around 552 nm.

Special Mention

Natural ruby with such captivating color and without any presence of treatment, as shown in this ruby, is rare. The natural inclusions in this ruby give it a sense of uniqueness.

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

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