News

LAB INFORMATION CIRCULAR, VOLUME 78, MAY 2021, IS NOW OUT!
We are pleased to present the latest Lab Information Circular (Volume 78, May 2021), covering the following topics: - Transparent Gem-Quality Rhodonite - Heterosite-Purpurite: An Interesting Ornamental Gem - Green Kyanite, Imitating Emerald - Zoisite, Dyed to Imitate Ruby and Emerald - Type IIA Diamond with Interesting Laser Drilled Holes - ‘Resin-Filled’ Corundum String - GJEPC-GTL introduces Low-Cost Screening of ‘Melee-Sized’ and ‘Polki-Cut’ Diamond Packets
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GTL LAUNCHES LOW-COST SCREENING OF 'STAR/MELEE-SIZED' AND 'POLKI-CUT' DIAMOND PACKETS
Gem Testing Laboratory (GTL) is pleased to announce the launch of "low-cost screening service for packets of 'star/melee-sized' and 'polki-cut' diamonds. This new service will make sure that only ‘natural’ diamonds remain in your pipeline. State-of-the-art screening machines such as AMS2 and SynthDetect are used to separate natural diamonds from synthetic or non-diamond products. Call us at +91-141-2770995 or 2941470 or click at the below link for more details.
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LAB INFORMATION CIRCULAR, VOL.77, SEPTEMBER 2020 IS NOW OUT!
We are pleased to present the latest Lab Information Circular (Volume 77, September 2020), covering the following topics: Red-Brown ‘HPHT’ Synthetic Diamond String, An Impressive Phenakite, Azurite in Feldspar, Unusual Violet ‘Maxixe-type’ Beryl, ‘Caramel Spice’ Opal, Yellow-Green Magnesite – “Lemon Chrysoprase”, Amethyst with Goethite “Cacoxenite” Inclusions AND Packet Lot Certification Continues to Grow at GJEPC-GTL
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LAB INFORMATION CIRCULAR VOLUME 75 - JANUARY, 2018
Lab Information Circular (Volume 75, January, 2018) is now out, covering the following topics: - Fake emerald rough - glass filled in mica-rock - Eudialyte - an unknown gem - Morado opal - Resin-filled amazonite - Quartz with graphite inclusions - In photos - gems from Namibia