Experienced Diamantaire, Sourcer, Trader, Hondler, Strategizer, Mentor, Instructor.



I Bring Results!

Learn More
Lee Kuperstein
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  • Highly Experienced
  • Honest and Transparent
  • Respected Worldwide
  • Unquestioned Transparency
  • International Expertise
  • Small Goods to Large Special Stones
  • Continual Lerner
  • Member of New York Diamond Dealers Club
  • Gemological Institute of America Graduate
  • Continual Learner

My Strengths and Reputation



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I Bring

Value

I am an experienced professional in the Diamond & Jewelry Industries with a career spanning decades, exclusively in this industry.I have a vast understanding of the Diamond and Jewelry business, its intricies, strengths, and challenges both in the domestic and global markets and centers.
I bring a skipp-set that combines buying, manufacturing, selling, compliance and governmental affairs, and managerial and executive experience.
My reputation is unblemished for my esolute honesty, transparency, ethical behavior and drive.
I possess the combination of work ethic, independant thinking, strategic outlookm leadership skills and undeerstanding of the many facets that must all incorporate to make an impact in this very difficult, complicated and rapidly changing environment.

Among my strengths, I bring decades of knowledge, experience and expertise in:

  • International Diamond Trading
  • Mined and Lab Grown Diamonds
  • Sourcing, Pricing and Supply
  • Buying and Selling
  • Budgets and Planning
  • Policy and Procedures
  • Problem Solving
  • Production
  • Inventory Management and Control
  • ESG and Compliance
  • Disclosure
  • Building Relationships
  • Teamwork, Mentoring and Training
  • Management and Executive Experience
  • Extensive Expertise in Jewelry and Manufacturing
  • Retail, Wholesale and Manufacturing
  • Brick and Mortar as well as Online Diamond and Jewelry Channels

Any projects, opportunities, or something else?

Fill in your details and I'll be in touch shortly!
Call or WhatsApp me:
+1 (267) 334-4535
Email me:
lee@kuperstein.com
© Copyright 2026 Lee Kuperstein. All rights reserved. All registered trademarks herein are the property of their respective owners.
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