In the unlikely event there is ever a problem with our product, you can send it for inspection. Any defect in materials or workmanship that is present at the time of original delivery will be repaired at no charge. If it is deemed the problem was by everyday wear or tear, then we will only charge you cost for any material. Genuine center diamond is not covered under this warranty. In addition US Jewelry Factory will inspect, clean and refinish your jewelry upon request. Our products are all hand made with quality and care, in the heart of the diamond district on 47th Street in New York City. Our dedication and commitment to fine work and quality exceeds all others. Since all of our products are handmade in the USA, every piece shares the same level of attention to detail ensuring that they.