Gemology Classes in New York City

The Benlolo Jewelry Studio

Students learn to identify gemstones and appreciate their unique characteristics

David Benlolo is an avid collector of rare and unusual gemstones and relentlessly seeks the “best of the best” on his frequent trips to Asia including Sri Lanka, Thailand, Vietnam and others. With contacts established in these countries over many years, he has direct access to the widest selection of the finest stones, while also eliminating costly middlemen.

In these Gemology classes, you will learn using his collection of precious and semi-precious stones, of all cuts and sizes, of all cuts and sizes, includes rare and unusual spinels, blue and white moonstones; pink, blue and yellow sapphires, emeralds, zircons (yellow, blue and orange), rubies, chrysoberyls, green tourmalines, cat’s eye, peridots, mandarin garnets, tsavorites and opals – just to name a few,

Students may optionally purchase stones for their classroom projects from Benlolo’s collection at below wholesale prices. For all budgets.


“I will always treasure the class time I spent with David! I learned so much and had such an amazing experience with both learning design principals and solid core skills. I can't say enough good things about David and the school!"
— Rachel Williams, Walterboro, SC

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