Oval blue sapphire, 3.57 ct: details and GIA report
A natural Blue Sapphire weighing 3.57 carats, originating from Sri Lanka (Ceylon) and certified by GIA.
This gemstone displays a vivid blue hue with a refined deep tone and subtle secondary nuances under certain lighting conditions—an optical characteristic commonly found in fine natural sapphires from this region.
The stone is cut in an elegant oval form with balanced proportions, providing strong light return and presence without appearing overly dark. Its transparency and internal brightness allow the color to remain lively in both indoor and daylight viewing.
- Weight: 3.57 carats
- Measurements: 9.84 × 7.53 × 5.85 mm
- Shape / Cut: Oval — Brilliant Cut (Crown) / Step Cut (Pavilion)
- Color: Vivid Blue (Medium–Deep Tone)
- Transparency: Transparent
- Origin: Sri Lanka (Ceylon)
- Treatment: Heated (traditional, no residue)
- Certification: GIA Report No. 6522541600
| Weight | 3.57 carats |
| Measurements | 9.84 × 7.53 × 5.85 mm |
| Shape / Cut | Oval, Brilliant Cut (Crown) / Step Cut (Pavilion) |
| Color | Vivid Blue (Medium–Deep Tone) |
| Transparency | Transparent |
| Origin | Sri Lanka |
| Treatment | Heated, traditional, no residue |
| Certification | GIA Report No. 6522541600 |
A Collector’s Gemstone
This sapphire is suitable for a bespoke high jewelry ring or a private collection piece.
Private acquisition only.
To understand treatment and laboratory findings, read our guides to heated and unheated sapphires and reading a GIA or Lotus report.
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