💙 Natural Blue Sapphire (Neelam) – Australian Origin Gemstone Name: Natural Blue Sapphire (Neelam)Variety: CorundumCarat Weight: 6.77 CaratsShape: OvalColor: Deep BlueDimensions: Available on RequestOrigin: AustraliaTreatment: Natural / Heat Status on CertificateClarity: TransparentCut: Faceted OvalCertification: Certificate Available Gemstone Technical Details Ratti Weight: ~7.50 Ratti Refractive Index (Reflective): 1.762 – 1.770 Specific Gravity: 3.95 – 4.03 Hardness: 9 on Mohs Scale Usage…