Ceylon Blue Sapphire (Neelam) 5.90 Carat (6.48 Ratti) — Oval Mix Cut
Ceylon Blue Sapphire (Neelam) 5.90 Carat (6.48 Ratti), Sri Lanka origin, shown in 4 angles and macro so you can judge true color, scintillation, and facet precision before you buy. Images and video are of the actual gemstone under neutral lighting.
Key Details
| Weight | 5.90 Carat (6.48 Ratti) |
| Dimensions | 10.2 × 9.1 × 6.4 mm |
| Cut/Shape | Oval Mix Cut |
| Color | Blue (Ceylon / Sri Lanka) |
| Fluorescence | Inert to Moderate |
| Hardness | ~9 (Mohs) |
| Refractive Index (RI) | ~1.76–1.77 |
| Indian Name | Nilam (Shani) |
| Conclusion | Natural Blue Sapphire (Ceylon) |
| Note | 5.90 Carat ≈ 6.48 Ratti (same weight in different units) |
Video
See the gemstone from additional angles:

Care
Clean gently with warm, soapy water and a soft brush; avoid harsh chemicals and extreme heat. Reference: GIA — Sapphire care & cleaning.
Shop & Learn
- Shop Blue Sapphire (Neelam) — SHOP NOW
- Blue Sapphire (Neelam) Buying Guide
- Ceylon vs Bangkok Sapphires — Comparison
Policy
| Returns | 7-day easy return from delivery — see our Return & Refund Policy. |
| Authenticity | Lifetime authenticity guarantee; certificate available on request. |
| Packaging | Secure, tamper-evident packing. |
| Terms & Conditions | Please read our Terms & Conditions before ordering. |
















