Kornspan Jewelry Company, established in 1984, specializes in offering a wide range of jewelry products and services. Their products include engagement rings, wedding bands, diamonds, gold, silver, platinum jewelry, and precious stones. Services provided by Kornspan Jewelry encompass jewelry repair, cleaning, laser welding, custom design, appraisals, and buying jewelry. The company is known for its expertise in diamonds and colored stones, with certifications in diamond grading and evaluation. Additionally, they offer education on the 4 C's of diamonds, a buyer's guide, and diamond care tips.