The Plumb Club Adds Three New Members

The Plumb Club is pleased to announce the induction of three new members: Carl K. Gumpert, Inc., Indigo Jewelry, Inc. and iStar Group. All three companies will be exhibiting in the brand new, state of the art Plumb Club Pavilion during the JCK Las Vegas show May 31 – June 3, 2019. The new additions join a prestigious group of nearly 50 leading suppliers spanning all facets of the jewelry, diamond and watch industries. A full list of members can be found here.

With over 70 years in the jewelry industry, Carl K. Gumpert, Inc. is a major fine jewelry manufacturer and diamond supplier, providing its customers with individualized manufacturing services and outstanding quality and value. Carl K. Gumpert, Inc. manufacturers a variety of “Forever Classic” wedding sets, bands, fashion pendants, earrings, necklaces and more.

Indigo Jewelry, Inc., part of the S. Vinodkumar Group of companies, is one of the most renowned diamond and jewelry companies in the world. Their ability to cater to customer’s needs in fine diamond jewelry, as well as loose diamonds, has earned them long-lasting partnerships with their clients. A global presence provides the market intelligence needed to analyze trends and develop industry leading jewelry campaigns and designs.

“Upon reviewing the value of trade shows to our company and customers, we recognized that associations like The Plumb Club have the vision to adapt to the evolving market and create tremendous value, not only for its members but for the industry at large. We could not be more thrilled to be part of the Plumb Club,” says Jay Mehta, CEO of Indigo Jewelry, Inc.

IStar Group is comprised of Stanley Creations, Candela Jewelry and Roman and Sunstone. The companies have been in operation collectively for over 100 years, amassing decades of industry knowledge and connections that help navigate the present and forecast the future. iStar maintains the highest level of integrity in every step of its business and believes in creativity, innovation, technology, and collaboration, incorporating these aspects into company culture.

“The iStar Group is very excited to be a new Plumb Club member,” says Toney Cheng, President of iStar Group. “It’s an honor to be included amongst the great companies that comprise the association and we feel that this is a natural partnership. We look forward to long term membership!”

For information about The Plumb Club and its members, contact Lawrence Hess, Executive Director, at 201-816-8881 or visit

About the Plumb Club:
The Plumb Club is a unique coalition of leading, responsible and important suppliers spanning all facets of the jewelry, diamond and watch industries. The purpose of the organization is to connect its members and their customers and help shape the future of the jewelry industry. The Plumb Club’s membership accounts for a significant percentage of the domestic fine jewelry market.