藍色 藍寶石 - 4.77 ct - Lotus Gemology - 尼日利亚*玄武岩相关

Nigerian-origin Natural Sapphire/Corundum (opinion drawn from the remainder of alkaline Basalt)
backed by close knowledge of a local source on site
Variety: Deep Blue Sapphire

Identified and certified in Bangkok,
at the Lotus Gemology Gem Laboratory (Thai)
Joint with the complete certificate No. 4881-1984 plus the PIN code - see photos -

Purity/clarity: slightly included in a deep nebulous, rather mysterious cloud

Weight: 4.77 carats "Collector-Grade"
Dimensions: 8.79 x 8.67 x 6.09 mm

This Sapphire perfects itself in all domains,
whether for current or investment projects (personal or professional),
A slight favoritism for a highlight position in a high-end ring.
Excellent proportions and symmetry

Cut in an Octagonal Faceted Brilliant..

Indications of a simple Thermal treatment detected.

Delivery:
International:
- DHL Express/ UPS express, professional, fully trusted and safe, (traceable) 24/48h

National:
- Bpost in registered parcel 24h pro (traceable) insurance included

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