Description

Gemstone Details
​Identification: Natural Blue Sapphire (referred to as Shani / Neelam in India).
​Weight: 6.49 carats (ct).
​Color: Blue.
​Shape/Cut: Oval mixed cut.
​Measurements: Approximately 12.00 x 10.00 x 5.70 mm.
​Scientific Properties
​The report lists physical properties that are characteristic of the Corundum family (Sapphire):
​Refractive Index (R.I.): 1.760 – 1.768.
​Specific Gravity (S.G.): 3.99 – 4.00.
​Lab Information
​Laboratory: CGL (Cambay Gemmological Lab), an ISO 9001:2015 certified facility.
​Certificate Number: cglm113093.
​Location: Mumbai, India.
​Important Note: The bottom of the card includes a disclaimer stating: “Origin & enhancement not checked for the above specimen.” This means the lab has confirmed it is a natural sapphire but has not verified its geographical origin (e.g., Kashmir, Ceylon) or whether it has undergone common treatments like heat enhancement.