Exclusive Diamonds by Carter has occupied the first floor of the San Diego Jewelers Exchange on Sixth Avenue in downtown San Diego's Gaslamp Quarter since the 1950s, making it one of the longest-running tenants in the 1910-era Timkin Building. The shop produces custom engagement rings and bridal sets using both CAD-CAM modeling and hand-carved wax techniques, a dual-method approach to ring fabrication that serves the same milestone events coordinated by Wedgewood Weddings at The Headquarters nearby. Suite 195 stocks GIA-certified and EGL-certified loose diamonds in addition to non-certified stones evaluated by in-house specialists, with both natural and lab-grown options available across the full carat-weight spectrum. Services extend to jewelry refinishing, structural repairs, name-brand watch sales, and watch battery replacement, covering the full lifecycle from purchase through long-term maintenance. The bridal design pipeline coordinates naturally with Gaslamp florists like Chic Flowers serving the same engagement and wedding clientele. Master jewelers on staff work in 14k and 18k yellow gold, white gold, and platinum, producing tension-set, channel-set, and pavé-set mountings from the shop's ground-floor fabrication bench.