Home › Top 4 Jewelry in O'Fallon, Missouri Find best Jewelry in O'Fallon, Missouri, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Randy's Jewelry Inc US, O'Fallon, MO 63366309 S Main St Krekeler Jewelers Inc. US, O'Fallon, MO 633682938 State Hwy K Miller's Fine Jewelry US, O'Fallon, MO 633682510 State Hwy K Kay Jewelers - O'Fallon (MO 63368) US, O'Fallon, MO 633682283 St, State Hwy K