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We specialize in the world’s most exceptional diamonds and gemstones, with a focus on rare fancy colored diamonds and bespoke designs. Our mission is to craft unique, important, and legacy worthy jewelry that reflects the unique style and vision of each client.

AlecSeelig

Since 2014

& New York

For over a decade, we have provided our clients with the world's finest and most elusive, fancy colored diamonds, colorless diamonds of note, and other precious gemstones. 

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We are a by appointment designer for high jewelry, bridal & engagement. 

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Advisory and collection services for notable & historic gemstones.

Meet with Us

​New York, NY, USA

Beverly Hills, CA, USA​

London, W1S, UK

All Locations by Appointment* 

© 2026 Alec Seelig Jewelry - Alec Seelig New York, AM Brilliance, LLC

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