1.38 ct Ceylon Yellow Sapphire

Collector's Note
A vivid natural yellow sapphire from Sri Lanka with a bright oval mixed cut and strong face-up performance. At 1.38 ct, saturated yellow color and documented Ceylon provenance are the principal collector attributes.

Gemstone Details
Gemstone: Natural Yellow Sapphire
Species: Natural Corundum
Weight: 1.38 ct
Shape / Cut: Oval Mixed Cut
Measurements: 7.90 × 5.39 × 3.84 mm
Origin: Sri Lanka (Ceylon)
Treatment: Heated

O50 Collector Evaluation
Otzera 50: 36/50 — Distinguished
Face-Up Performance: 90%

Treatment & Origin Disclosure
The current Otzera record lists Sri Lanka (Ceylon) as geographic origin and heat treatment.

Care & Setting
Sapphire 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, origin and treatment disclosures, and O50 evaluation.