Shane Co. Share: Jewelers Shane Co. Visit Website 2003 Chess Drive San Mateo, CA 94404 (650) 570-7333 LinkedIn Facebook About Map About Since 1929, Shane Co. is a fourth-generation, family-owned jeweler committed to offering handcrafted fine jewelry of the highest quality, from diamonds and engagement rings to gifts for any occasion. What's Nearby? Distance: 5 10 15 20 25 50 mi.