FINE JEWELRY ◆ SINCE 1983
A Legacy of Trust.
Exceptional jewelry. Personal service. Lasting value.
Sustainably and ethically sourced diamonds — natural and lab-grown — plus custom pieces, crafted with a GIA gemologist's eye at honest, wholesale pricing.
Collection list
DESIGN YOUR OWN
The Jewelry Builder
Choose your setting, then pick the perfect diamond — natural or lab-grown. Build a one-of-a-kind ring, all at wholesale pricing.
A LEGACY OF TRUST
Built on integrity, service & trust.
Founded in 1983 by Gent Jay — a retired Sergeant with the San Leandro Police Department and former Alameda County Sheriff's Office — Gent Jay Jewelry was built on the same principles that guided his law enforcement career: integrity, service, and trust.
As a Graduate Gemologist of the GIA, Gent has spent more than forty years helping customers celebrate life's most meaningful moments — earning their trust not only for exceptional quality and value, but for honest guidance and a level of service that is increasingly rare.
THE BLUE LINE COLLECTION
Honoring those who serve.
What began as a way to provide Law Enforcement and First Responders with exceptional jewelry at affordable prices is still at the heart of who we are. A retired Sergeant himself, Gent extends below-wholesale pricing to the men and women who serve.
CONSCIOUS LUXURY
Ethically sourced, naturally brilliant.
Whether you choose a responsibly sourced natural diamond or a lab-grown stone, every diamond we offer is selected for its fire, clarity, and conscientious origins — beautifully priced and certified for peace of mind.
MADE FOR YOU
Custom & made-to-order.
From a one-of-a-kind engagement ring to a redesign of an heirloom, we'll guide you from sketch to finished piece — by appointment, with no pressure.
IN THEIR WORDS