About

Gerald Wykoff

Dr. Gerald Wykoff is GG (Graduate Gemologist), a CSM (Certified Supreme Master gemcutter), educator, and author of several gemology books. He founded the American Society of Gemcutters in the 1980s and served for more than 10 years as the editor of its monthly magazine, American Gemcutter.

Articles by


Gerald Wykoff

Alternative Birthstones

Not happy with your birthstone? Explore these alternative birthstones associated with astrological signs, angels, the hour or day of your birth,…

Gemstone Care Guide

Our gemstone care guide covers many popular gems. Learn how best to maintain your gemstone jewelry and what kinds of stresses and cleaning methods…

How to Carve, Sculpt Gems

Successful tips and information on techniques that are used in sculpting or carving a gem. Find helpful information here on How to Carve, Scuplt…

How to Facet Gems

A Detailed information and guide on How to Facet Gems. In faceting, HAI is much more than a casual idiom. HAI meaning, H – Height, A- Angle and I- index.…

Mechanical Gemstone Cleaning

Mechanical gemstone cleaning has benefits and risks. Learn all about ultrasonic, steam, and boiling systems and how gems might react to them.…

The History of Lapidary

A full and complete history of the lapidary arts, from 70,000 BC to present day. The origins of faceting, bruting, and carving.