Royal Jewelers Address: 112 N Wilson Ave, Jefferson, IA 50129 Phone: (515) 386-4216 Payment: Jewelry Repair, Jewelers, Gift Shops Other Businesses: Ink Spot at 208 S Grimmell Rd, Jefferson, IA 50129 Hoyt Law Firm at 101 N Grimmell Rd, Jefferson, IA 50129 Mumma & Pedersen at 114 S Wilson Ave, Jefferson, IA 50129 Greene County Attorney at 114 N Chestnut St, Jefferson, IA 50129 Wet Goods Bar & Grill at 113 N Chestnut St, Jefferson, IA 50129