Alter’s Gem Jewelry Alter’s Gem Jewelry has a history as faceted and lustrous as it finest diamonds and precious metals.
The International Watch and Jewelry Guild Since 1985, the IWJG has been conducting 12 annual cash-and-carry trade show events throughout the United States. The members-only shows are supported by over 5,500 of the world's foremost professional watch and jewelry dealers from 57 countries.
