A Trust for Excellence & Quality & Service (EQS)

Welcome to Dianco Inc., a leading online diamond jewelry store nestled in the heart of New York City. 

We take immense pride in curating a collection of high-quality diamonds that captivate with their brilliance and allure. 

As experts in the industry, we specialize in offering services to create stunning pieces from our range of diamonds, available in an array of sizes and captivating colors, ensuring that you find the perfect piece to treasure.

Our team at Dianco Inc. is composed of experts with lots of experience. This wealth of knowledge and expertise positions us at the forefront of the diamond industry, empowering us to innovate and drive its growth. With our unwavering commitment to excellence, we tirelessly endeavor to supply the world with the most superior diamonds, upholding meticulous standards throughout every stage of the manufacturing process.

Our mission is twofold: to create diamonds of unparalleled quality and to deliver an exceptional customer service experience. From the moment you choose our services to the final stages of your purchase, we strive to exceed your expectations at every turn. 

Our dedicated team is here to guide you, answer your questions, and ensure your complete satisfaction.

Indulge in the pleasure of browsing our wide selection of diamonds for amazing creations, meticulously handpicked to offer you a variety that embodies beauty and perfection. Moreover, our unbeatable prices for jewelry repairs and appraisals allow you to own a piece of exquisite craftsmanship without compromise.

Discover the world of Dianco Inc. and embark on a journey of timeless elegance. Contact us through our message form and let us help you find the diamond that will become an enduring symbol of your most cherished moments.