Report by GSI: Rare phosphorescence in CVD Lab Grown Diamond
Diamond World News Service | Sept 29 2022 - Diamondworld.net -
Lab Grown Diamonds have gained increased popularity in recent times. Today’s cutting-edge technology...
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’s Colored Stone Origin Determination Seminar
GIA's Colored Stone Origin Determination Seminar
The Continuing Education division of GIA's Alumni Collective is now offering new self-paced continuing education seminars on Ruby, Sapphire,...
Pink Sapphire or Ruby?
Pink Sapphire or Ruby?
On a Personal Note - gr
What is the difference between Pink Sapphire and Ruby? For many of us, the answer is...
