Natural Rubies Clarity Enhanced with Leaded Glass
Step 2: Advanced Gemology
Table of Contents
Leaded Glass Filled Ruby UPDATE, December 2016
Prior to 2006, most lead glass filled rubies contained only a very, very small percentage of glass in surface reaching fractures. Due to this small percentage, these stones qualified for the designation “treated rubies” by internationally respected gem labs.
However, treaters improved their ability to enhance ever lower grade material. As …