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UD OLLI Summer Selections: June 22 – July 23, 2026
Five weeks of fun topics, short courses and field trips — registration details coming soon
R – Physical Sciences and Math
Lewes (Trinity Faith Education Building) | July 15, 2026-July 22, 2026
Wednesday: 10:45 AM-12:00 PM
We’ll discuss the differences between natural mined diamonds and lab-grown diamonds. We’ll explore the differences between the two and discuss if your next diamond should be lab grown.
This offering meets for a total of 2 session(s).
INSTRUCTOR: Lee Kuperstein
KUPERSTEIN, LEE — Experienced professional in the diamond and jewelry industries with a career spanning over 50 years and a vast understanding of the diamond business. His experience combines retail and wholesale buying, manufacturing, selling, compliance and governmental affairs, and managerial and executive experience in both mined and lab-grown diamonds, in the mainstream and luxury jewelry markets. (R261, S310)
Osher Lifelong Learning Institute (OLLI) at the University of Delaware
OLLI is an academic cooperative for adults 50 and over to enjoy classes, teach, exchange ideas and socialize together, with no exams or educational requirements for participation. OLLI welcomes you.
Kent/Sussex | Wilmington