Diamond Manufacturers

Since the day of its inception, The Plumb Club has led the way to higher quality jewelry manufacturing and supply for retailers in the US and across the world. In 1983, a close-knit group of jewelry & diamond producers banded together to create what was to become the leading group of suppliers in the watch, diamond, and jewelry industries. Over these years, the Plumb Club has partnered with around 50+ diamond manufacturing companies. All of them produce high quality diamonds. Whether it’s natural diamonds or synthetic diamonds, the range of products is vast.

The Plumb Club is a responsible supply side organization recognized for leadership, adding value, and positively impacting the jewelry industry. Plumb Club members act in the utmost responsible manner and observe the highest standards of business and personal conduct. It also includes, but is not limited to, Business Ethics, Sourcing, Human Rights, Social and Environmental Responsibility, and Maintaining Management Systems through which these practices can be validated.

The Plumb Club has had a positive impact on the jewelry industry for over 100 years, and we continue to strive to be the best we can be. We hope to continue to be a positive force in the industry for many years to come.

The members of The Plumb Club account for a significant percentage of the domestic fine jewelry market. Each of the members in this exclusive club are highly skilled, transparent, and professional. This exceptional standard of operation is ensured by the implementation of the Code of Responsibility – a guideline and agreement signed annually by each member. This code allows the Plumb Club to connect retailers and jewelry & diamond manufacturers in the US in a professional, transparent, and rewarding way. We have a myriad of reputable diamond manufacturing companies on our membership roster from around the globe that provide a wide range of diamonds, including synthetic diamonds.

The Plumb Club and The Responsible Jewelry Council

Each member of the Plumb Club is also a member of the Responsible Jewelry Council, or RJC. The decision for all members to join the RJC was made by unanimous vote in 2019, and was based on the support, respect, and unity that the Club has for the RJC and its overall mission. The RJC is made up of highly-skilled jewelry and diamond manufacturers whose dedication and experience have set an unshakable standard of quality for the timepiece and jewelry industries.

Being a part of the RJC allows The Plumb Club to do their part in encouraging and implementing high quality and sustainability into everything they do. By working together to achieve their goals, the RJC and The Plumb Club will strengthen and grow the jewelry industry for generations to come.

TPC-365 and Its Role in The Plumb Club

Professional retailers need a customizable and unique way to revolutionize how they merchandise their stores, view, and research jewelry online. Diamonds are the most coveted and valuable gemstones of all gems. When choosing a diamond, many factors determine its quality.

Thanks to TPC-365, they can do just that and so much more. TPC-365 is a virtual sales platform that allows The Plumb Club members to collaborate, connect, and meet from anywhere in the world. Retailers can also access jewelry inventories whenever – and from wherever – they need. Whether you’re looking for a unique gift or jewelry for your special occasion, you can find the perfect diamond from our list of manufacturers.

Today, the diamond manufacturing trade is a billion-dollar business that continues to grow with time. Hence, TPC-365 is the platform of choice thanks to its ability to share valuable information, resources, and audience insights from any mobile device. This platform allows The Plumb Club members to communicate without hassle, without the limitations of traditional meeting software, and without losing the personal touch of in-person meetings.