1.15 ct Natural Pinkish Red Ruby from Sri Lanka — Two Lab Reports

Collector's Note
This natural ruby displays vivid pinkish-red color with lively red, pink and magenta flashes as the stone moves in sunlight. Its softly rounded cushion shape and mixed-cut faceting distribute color and brilliance across the face. The stone is exceptionally clean for ruby and carries both dual laboratory documentation and personal buying-trip provenance.

Gemstone Details
Gemstone: Natural Ruby
Species: Corundum
Weight: 1.15 ct
Shape / Cut: Cushion Mixed Cut
Measurements: 6.58 × 5.23 × 3.71 mm
Color: Vivid Purplish Red / Pinkish Red
Polish: Very Good
Symmetry: Very Good
Overall Cut Grade: Very Well Made
Geographic Origin: Sri Lanka (Ceylon)
Treatment: Standard Heat
Treatment Stability: Excellent

Treatment & Origin Disclosure
Both laboratory reports identify the gemstone as a natural ruby and confirm evidence of traditional heat enhancement. The Professional Gem Sciences Laboratory report attributes geographic origin to Sri Lanka (Ceylon).

Laboratory Documentation
Primary: Professional Gem Sciences Laboratory Report No. 3812001536, dated October 15, 2019.
Secondary: Tokyo Gem Laboratory, Thailand, File No. 23110261, dated November 11, 2013. The earlier report records 1.16 ct; the current weight is 1.15 ct after a small abrasion was repaired.

Provenance / Story
Personally acquired during a gemstone-buying trip to Thailand and retained for many years before being selected for the Otzera collection.

Care & Setting
Ruby is highly durable and well suited to jewelry wear. Clean with warm water, mild soap and a soft brush.

Digital Gem Passport
Accompanied by an Otzera Digital Gem Passport preserving its identifying details, laboratory documentation, provenance, and treatment and origin disclosures.