Research

This unheated 9.52 carat sapphire originated from Myanmar.

This gorgeous unheated 9.52 carat sapphire originated from Myanmar was recently brought in ALGT for research. Many thanks to Alexander from Baronian & Fils SA for his continuous support and for providing us with fantastic samples for our research department!
ALGT

Independent gemological laboratory providing trusted certification from the heart of Antwerp's diamond district since 2019.

Contact

🇧🇪 Antwerp
Hoveniersstraat 30, 2018 Antwerp
info@algtlabs.com
+32 3 233 25 08
🇨🇳 Shanghai
Room 1201, Ocean Building, 550 East Yan'an Road, Huangpu District, Shanghai
labshanghai@algtlabs.com
(021) 60704858
WeChat: ALGTSHANGHAI

© 2026 ALGT — Antwerp Laboratory for Gemstone Testing. All rights reserved.