Black Tie Optional NYC is a private jewelry service based in Midtown Manhattan, offering a more personal and transparent way to purchase fine diamond jewelry. Founded by Kenny Polak, a 4th-generation diamond dealer with over 30 years of experience in the New York City diamond market, the company provides clients with direct access to custom-made pieces featuring both lab-grown and natural diamonds — without the traditional retail markup.

Working one-on-one as a private jeweler, Kenny guides clients through every step of the process, from sourcing the right diamond to designing and manufacturing a finished piece. Through a trusted network of diamond suppliers and expert manufacturers, clients are involved from start to finish, ensuring each piece reflects their style, priorities, and budget.

Whether you're designing an engagement ring, upgrading an existing piece, or creating a meaningful gift, the focus is always on quality, value, and a tailored experience. By operating privately, Black Tie Optional NYC offers a discreet, comfortable environment where clients can explore options, compare diamonds, and make informed decisions.

Built on generations of industry knowledge and relationships, Black Tie Optional NYC provides the access, pricing, and craftsmanship typically reserved for insiders — delivered through a straightforward, personalized experience.