The Guide is an excellent pricing publication pub lished by Gemworld
Inte rnational 1-888-gem-guide. It is particularly useful for
appraisers, dia mond and colored stone buyers looking to price gems
and pearls. It comes out quarterly in a print and computer version.
It also has a companion pricing guide listing average markups for
jewelry work broken down by geo graphic area and a newsletter called
Gem Market News that I contribute to . Anyone professionally involved
with gemstones should subscribe.