Ab Gems Company 888 Brannen Street Suite 1030 San Francisco, CA 94103 Phone : (415) 431-6688 Ab Gems Company Business Category Jewelers-Retail Fax           (415) 431-8688 A B Gem Co 888 Brannan St San Francisco, CA 94103 Phone : (415) 431-6688 A B Gem Co Business Category Jewelers-Retail Jewelry Custom Designed