GIA Diving In: Adds ‘Hanadama’ Quality Range
Hanadama, the Grade for Top Quality Akoya Cultured Pearls
Gary Roskin - Roskin Gem News Report -
Hanadama, the Grade for Top Quality Akoya Cultured...
Color Enhancement in Ruby has SGL Seeing Red
Color Enhancement in Ruby has SGL Seeing Red
by Bear Williams, Stone Group Labs (SGL)
RUBIES are typically sent into professional gem labs for Identification...
Sri Lanka or Madagascar? Blue Sapphire
Sri Lanka or Madagascar? Blue Sapphire
Lotus Gemology
Sri Lanka or Madagascar?
Many clients have asked why some of their blue sapphires get a Sri Lankan origin...
GIA Adds Fei Cui to Jade Reports: What is Fei Cui?
GIA Adds Fei Cui to Jade Reports: What is Fei Cui?
Gary RoskinRoskin Gem News Report
GIA Adds Fei Cui to Jade Reports: What is Fei...
Laboratory Color Nomenclature: Gemological Science or Marketing?
Laboratory Color Nomenclature: Gemological Science or Marketing?
It has been a while since I have written a personal note. But now here goes.
The troubling conversation...
Describing Color in Gems • A Fool’s Guide
Describing Color in Gems • A Fool's Guide • Lotus Gemology
Richard W. HughesLotus Gemology
What is the finest blue, or the finest red?
In truth, there...
The Unmissable Jewellery Design at TEFAF Maastricht 2023
The Unmissable Jewellery Design at TEFAF Maastricht 2023
Discover exquisite jewellery at TEFAF Maastricht 2023 from Didier, Hemmerle and Van Cleef & Arpels
BY HANNAH SILVER
TEFAF Maastricht...
Bahrain Institute for Pearls and Gemstones Attains ISO Accreditation for Gemmological Services
Bahrain Institute for Pearls and Gemstones Attains ISO Accreditation for Gemmological Services
Press Release
The Bahrain Institute for Pearls and Gemstones (DANAT) has earned prestigious international...
Colors K thru Z: Reading a GIA Diamond Grading Report
Colors K thru Z: Reading a GIA Diamond Grading Report
Gary RoskinRoskin Gem News Report
In looking through the Sotheby’s catalogue for November's Magnificent Jewels auction...
AIGS Ramps Up Services in China: an Exclusive Interview with Gloria Chen, CEO of...
AIGS Ramps Up Services in China: an Exclusive Interview with Gloria Chen, CEO of AIGS China
by Julius Zheng
"The operation of AIGS in China brings...
Jedi Spinels: a quest to the origin of the ultimate red spinels!
AIGS News - a Webinar with Vincent Pardieu
Vincent Pardieu is a Consultant Field Gemologist at “VP Consulting WLL”, a writer and a documentary producer....
Dr. Gabriela Farfan
MTL Mineral Talks Live Introduces Smithsonian Curatrix
Mineral Talks LIVE (MTL), is a monthly podcast from BlueCap Productions, with support from the Mineralogical and Geological...
