World Gemological Laboratory (updated 2024-12-03)

099ct Natural Bluish Green Neon Paraiba Tourmaline from Mozambique Certified

Duration: 1:07
23 views | 2 months ago

Gemological Facts about Tourmaline

Duration: 2:13
6.4K views | 3 weeks ago

This is the most expensive substance on Earth

Duration: 0:56
667 views | 2 weeks ago

Old Mine Cut Diamond Ring 156 Carats

Duration: 0:14
43 views | 20 Feb 2023

Rare Mozambique Gemstones The Beauty of Paraíba Tourmaline GIA

Duration: 0:13
730 views | 24 Mar 2022

quotIntroduction to gemology amp the world of luxury jewelleryquot Masterclass

Duration: 1:50
315 views | 10 months ago

Malayan Gemological Laboratory Services MGLS

Duration: 12:25
255K views | 10 Oct 2018

Fake GIA Inscription demonstration

Duration: 1:15
1K views | 25 Oct 2017

Life changing decision AIGS Jewelry Design Course how taking this course changed my life

Duration: 3:21
749 views | 5 Dec 2018

TGL Tourmaline Lanka Gem Lab Profile

Duration: 2:18
7.9K views | 13 May 2021

AIGS Gemology School and Gem Laboratory INTRO

Duration: 2:56
10 views | 1 month ago

208ct Natural Greenish Blue Paraiba Tourmaline from Mozambique Africa CertificateAppraisal GAL

Duration: 0:53
7K views | 3 Dec 2020

The Latest Discoveries from Gems amp Gemology GIA Knowledge Sessions Webinar Series

Duration: 54:04
589 views | 1 Aug 2023

L 52 E Corundum Secrets 🤷‍♂️😯 educationgemology inclusion sapphirekingdomgemology

Duration: 0:58
438 views | 1 month ago

Melee Diamond Analysis GIA Knowledge Sessions Webinar Series

Duration: 57:00
24.9K views | 22 Oct 2023

IGI Appraisals

Duration: 2:05
980 views | 31 Oct 2020

The worlds largest laboratory in which 20 crore books are available

Duration: 0:18
13 views | 3 weeks ago

BEWARE OF FAKE CERTIFICATES CERTIFIED GEMSTONE ARE FAKE TOO FAKE GEM TESTING LABORATORY SCAM

Duration: 6:40
9K views | 20 Jan 2020

quotLets Read amp Talk about Gemologyquot with John L Emmett

Duration: 2:10:14
8.5M views | 2 weeks ago

Identification of Turquoise in the Gemological Laboratory Behind the Scenes with Turquoise at GIA

Duration: 30:14
635 views | 3 months ago

AGTL Atharv Gem Testing Lab Gemstone Testing Lab Gemological Laboratory Bhopal MP India

Duration: 1:00
4.6M views | 7 months ago

The Real Difference Between Champions and Legends in Athletics

Duration: 0:35
107.1K views | 22 Sep 2014

Silmenite Fibrolite Gems

Duration: 6:54
752 views | 1 month ago

Whats Really Happening At CERN

Duration: 17:41
1K views | 30 Jul 2013

10 Interesting Facts About Emeralds

Duration: 2:16
7 views | 1 month ago

‼️WORLD RECORD EMERALD ‼️ 2135 KG CERTIFY BY IGL GEM LAB JAKARTA‼️

Duration: 2:15
646 views | 8 months ago

Gem of a job

Duration: 4:26
118 views | 12 Jul 2022

Day 1 Hong kong Gemstone show world s biggest gemstone exposition REUPLOAD 60FPS

Duration: 1:25:35
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MENGENAL BATU TRAPICHE TOURMALINE

Duration: 2:22
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GWCW2248 Natural White Coral Gemstone

Duration: 0:16
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