DAVID ROSENBERG
His passion for fancy color diamonds ignited in 1999, when he first encountered a Fancy Vivid Pink diamond.
I fell in love instantly and immersed myself in every piece of knowledge I could find—Rosenberg
David Rosenberg's Journey
By 2003, he had sold several important stones, including a notable 12-carat Fancy Blue radiant. By 2005, his expertise in rare pinks and blues earned him the nickname “Mr. Blue” among industry insiders.
In 2006, David opened his first high-end boutique in Boca Raton, Florida, establishing Rosenberg Diamonds & Co. as a vertically integrated powerhouse. Today, the firm is renowned for its important white diamonds, rare fancy color diamonds, and exceptional high jewels, catering to discerning high-net-worth and ultra-high-net-worth clients worldwide.
David’s industry leadership is widely recognized. In 2007, he became the youngest-ever president of the Diamond Dealers Club of the Southeastern United States, serving nearly a decade. He has also held roles with the World Federation of Diamond Bourses (WFDB), the Natural Color Diamond Association (NCDIA), and, in 2015, was selected as one of the first and few Select Ateliers for Argyle Pink Diamonds, for a duration of a few years.
By 2017, he had cemented his reputation as an authority on Fancy Vivid pinks, blues, yellows, and large
D Flawless diamonds.
Record Acquisition in 2022
The
Williamson
Pink Star
An 11.15 carat Fancy Vivid Pink Internally Flawless Diamond
In 2022, David made international headlines by acquiring one of the purest, pinkest diamonds to ever appear at auction. Establishing a new world record price per carat for any diamond ever sold. For a total staggering amount of HK $453.2 Million / USD $57.7 million. This record still holds to date as the most expensive diamond ever sold per carat regardless of size or color.
At any moment, Rosenberg’s vault may cradle some of the world’s most important diamonds from 10-carat marvels to over 100-carat legends ranging from perfect D Flawless whites to the most captivating vivid yellows, pinks, and blues ever unearthed.—Rosenberg
Global Alliances & Business Ventures
Over the past 25 years, David has forged strategic alliances with mines and cutting facilities in South Africa, Botswana, Angola, Antwerp, Ramat Gan, Hong Kong, and New York,
ensuring a consistent flow of rare and exceptional stones. Each creation is brought to life by a team of elite master cutters and jewelers, embodying Rosenberg’s signature precision and artistry.
Beyond diamonds, David is a seasoned entrepreneur with investments spanning technology startups, aerospace, defense, and commercial real estate.
His business ventures reflect his core values, integrity, vision, and commitment to delivering bespoke, opulent experiences.
Personal Legacy & Philanthropy
David resides in South Florida with his wife, Jamie, and their son, Jonathan, who joined the company in 2025 and represents the next generation of Rosenberg Diamonds.
Through both personal and professional endeavors, he is dedicated to building a legacy defined by passion, honesty, and perseverance.
Philanthropy is woven into that legacy. David has served on multiple charitable boards and continues to champion causes that empower and uplift underserved communities.