Staffed by a GIA Graduate Gemologist, Antoine Fine Jewelry operates from Suite 703 of the Jewelers Exchange on Sixth Avenue in downtown San Diego, manufacturing handmade jewelry from recycled precious metals. The workshop melts and re-alloys gold and platinum rather than sourcing newly mined material—a closed-loop production model that complements the gemstone supply capabilities at GEMFIX INC on a lower floor of the same Exchange. Antoine Fine Jewelry's mobile service brings appraisals, repairs, custom design consultations, and scrap-metal purchasing directly to clients' homes and offices throughout San Diego County. GIA-certified appraisals cover insurance replacement, estate valuation, and fair-market documentation, with each piece evaluated against current precious-metal spot prices and gemstone market data. The engagement ring and wedding band production pipeline includes wax carving, casting, and hand setting, serving the same milestone clients who rely on B Street Tailoring and Cleaners for bridal and formalwear alterations. Highest-value services include invisible laser-weld structural repairs on antique platinum prong settings and estate appraisals under 10x magnification documenting GIA-standard color, clarity, and cut grades for insurance certification.