Diamond, Jewelry and Watch Appraisals From Our Expert Team

Our team of experts provide knowledge and guidance when selling your diamonds, jewelry and watches online.

All valuations are carried out by our team of industry experienced professionals

Meet Our Experts

WP Diamonds has a highly experienced team that is second to none in the online diamond purchasing industry. With a combined experience of over 150 years, we offer you the most accurate diamond valuation in the market. Combine this with our huge scale, we offer professional appraisals and marketing leading prices. Since launching in 2012, WP Diamonds has traded hundreds of millions of dollars of diamonds, jewelry and watches.


We evaluate your items


We research the markets


We apply our knowledge

Learn more about our process when we evaluate diamond rings

Andrew Brown


Andrew graduated from UCE Birmingham, UK with a B.A. (Hons) in Accounting in 1994 and went on to gain an MBA in Finance & Accounting from NYU Stern and a MS in Real Estate Development at NYU.  He has worked in a wide variety of financial roles, including M&A at Activision Inc., corporate finance at HSBC Investment Bank and equity research at Morgan Stanley. Latterly, he worked in private equity at MMC Capital, and went on to launch his own real estate development company based in New York.

At WP Diamonds, Andrew is responsible for corporate strategy, business development, pricing and all financial matters.

Louise Lieblich

Head of Diamonds & Jewelry

Louise graduated from Purchase College with a B.A. and went on to attain a Master’s Degree, specifically related to the auction business, and the identification and dating of antiques, jewelry and other areas of sale, from Sotheby’s Institute of Art.

A founding employee and a 20 year diamond industry veteran, Louise manages the diamond and jewelry buying team and the inventory processing team (handling the re-cutting and certification of diamonds, repair of jewelry and their preparation for sale).

Thomas Pozsgay

Head of Fine Watch Division

Thomas Pozsgay has worked in the luxury watch business for over 35 years. For the past 27 years his area of expertise has been the pre-owned luxury watch market. He began his career as a sales associate at one of the largest watch retailers in the country. His main experience came with Tourneau a leading authorized watch retailer for top brands. After valuing 1000s of watches he is considered by many to be a leading watch expert in the USA. Constantly analyzing the ever changing pre-owned watch market he is able to offer competitive prices to the company’s clientele.

Matthew Jacobson

Head of Finance

Matthew graduated from the University of Maryland with a BS in Marketing and went on to obtain an MS in Accounting from the American University. He is both a licensed CPA and a CFA charterholder. He began his career in public accounting at CBIZ, providing audit, tax and advisory services to corporate, federal government and nonprofit clients.

Having joined WP Diamonds in 2012, Matthew oversees the finance and accounting function and is responsible for day to day financial activity, internal and external reporting, FP&A, audits and regulatory filings.

Ella Morgan

Head of Marketing

Ella graduated from the University of Exeter with a BA in Modern Languages in 2012 and joined the WP Diamonds team in 2014. Starting her career in digital marketing in London, she focused on high growth startups before moving to New York in 2013.

Ella is responsible for all aspects of marketing, including SEO, PR, website development, PPC campaigns, affiliate programs, social media, email campaigns and the marketing strategy for our e-commerce channel, Gemma by WP Diamonds. Most recently, Ella managed the launch of wpdiamonds.hk and the opening of our Hong Kong office.

Daniel Le

Head of IT

Daniel has broad technology experience with over 8 years across different industries and corporations such as Rackspace, AECOM and most recently as a management consultant from Accenture with a focus on Salesforce administration and development. As a California native, Daniel graduated with a BA from the University of California at Santa Barbara, and moved to New York in 2010.

Having joined the company in 2019, Daniel is responsible for all IT initiatives and strategic planning including the product owner for WP Diamonds’ proprietary, customized inventory control, sales, financial and customer relations management systems.

Client Services

Throughout the selling process, you will work with our dedicated Client Services team who can expertly handle any questions or queries you may have about selling diamonds, jewelry or watches. Once you complete the online form, Mark Salinaro (646 758 0274), Emre Kocahasan (646 758 0238) or Zachary Learned (646 758 0276) will be in touch.

Mark Salinaro

Head of Client Services

Graduated from Furman University with a B.A. in Business Administration, Mark went on to be a professional poker player, making the final table at The World Series of Poker. Having joined WP Diamonds in 2013, Mark has managed the consumer buying team for the last two years and has purchased approximately $20mm of diamonds, jewelry and watches from consumers.

Contact Our Experts

With over 150 years of professional experience in the diamond, jewelry and watch industries, our experts provide unparalleled access to in depth market knowledge. Contact us to discuss your items and let us know any questions that you may have.

CALL 646-758-0270

WP Diamonds experts have been trained to the highest standards