Month: May 2012

Market Trends: Padparadscha

Padparadscha sapphire is one of the rarest of all corundum varieties. The delicate pinkish orange color ”what Richard Hughes refers to as a marriage of ruby and yellow sapphire” is a true connoisseur's gem. Initially…

Diamond Market

It is definitely strange times for the diamond markets now. We are in one of those "depends on who you talk to" phases when it comes to diamond prices and predictions. Markets are slow and…

Book Review: Diamond Math, Second Edition

Reviewed by Richard B. Drucker, GG (GIA) Octahedral Crystal. Another section covers how to estimate the weight of drill holes. Should you ever encounter a drilled diamond bead that is strung, you can estimate the weight…

Colored Stone Market

A possible correction is predicted for some high end gemstones that had huge price gains in the past few years. With the tax season upon us, consumers in the U.S. were not focusing on buying…