Indigo Jewelers 1345 Triad Center Dr, Saint Peters, MO63376 Immediately upon arrival, visitors to Indigo Jewelers will notice that Indigo is unlike any other local jeweler; a sign…More warns that cell phones are not allowed, and a bell must be rung before entering. Inside the store, customers are assisted by an attentive, knowledgeable staff as they select engagement rings, necklaces, bracelets, earrings and watches. Repairs and adjustments are done on-site, and include resizing, engraving, pearl restringing, watch battery replacement, and gemstone mounting. Professional appraisals are offered, and financing is available. Indigo Jewelers is located in the Triad Plaza, across from Valvoline.