D&D Jewelry is a full-service fine jewelry store with over 35 years of experience in the industry. Located in Walnut Creek, CA, we offer premium quality, modern, and vintage unique diamond engagement rings, moissanite engagement rings, lab-grown diamond engagement rings, wedding bands, anniversary & eternity bands, stackable bands, bridal jewelry, stud earrings, necklaces & pendants, chains, bracelets & bangles & cuffs, men's jewelry, and luxury name-brand designer jewelry collections made in all major precious metals. Our services include custom-made engagement rings, personalized jewelry, engraving, expert jewelry & watch repair, and jewelry evaluation by our GIA-certified appraiser. We also offer the highest-paid cash for your unwanted or broken gold and diamond jewelry.