Lab Notes

Lab Notes

37.41-carat pink-and-colourless bicolour rough diamond from Botswana’s Karowe mine.

GIA Examines Rare 37.41 Carat Pink and Colourless Bicolour Diamond from Karowe Mine

16 Oct 2025

1 min read

GSI students observe gemstone mining and sorting at Sri Lanka’s Rakwana deposit during field visit.

GSI Students Unearth Gemstone Wisdom in Sri Lanka

14 Oct 2025

1 min read

IIGJ Lab (a GJEPC project) upgrades its Emerald Identification Service to meet global standards.

IIGJ Lab (a GJEPC project) upgrades its Emerald Identification Service to meet global standards.

10 Oct 2025

2 min read

Amit Pratihari, managing director of GIA India Laboratory Pvt. Ltd.

Amit Pratihari Named Managing Director, GIA India Laboratory Pvt. Ltd.

02 Oct 2025

1 min read

SGL Brings Transparency to the City of Diamonds

SGL Brings Transparency to the City of Diamonds

02 Oct 2025

1 min read

Unveiling Diamond Sparkle: IGI’s Light Performance Report

Unveiling Diamond Sparkle: IGI’s Light Performance Report

02 Sep 2025

1 min read

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