About Us

DGH-KOI: Where craftsmanship meets perfection. Established in 1980, DGH-KOI has since been at the forefront of designing and crafting diamond knives, with a legacy that spans over four decades. Over the years we have proudly manufactured and expertly repaired over 100,000 knives, earning a reputation for delivering the highest quality products at affordable prices.

Our commitment to excellence is what sets us apart. The DGH-KOI Team manufactures and repairs all our knives according to the highest standards, ensuring precision and consistency in every DGH-KOI knife we create. DGH-KOI also specializes in the repair of most of the diamond knife make/models in use today. Each knife is meticulously manufactured to precise specification, undergoing a rigorous 28-step quality assurance check that guarantees unparalleled excellence.

Here at DGH-KOI, we not only craft exceptional knives, but we also stand behind our products with confidence. We take pride in offering the most comprehensive warranty in the industry, reflecting our dedication to customer satisfaction and the enduring quality of our creation. With DGH-KOI you will experience the precision and quality that defines us.