Visit Our Hong Kong Shop

Gad & Co. storefront at night, 131 Queen's Road Central, Hong Kong

Central · Hong Kong

ASSAY × GAD & CO.

One family of jewelers. Two names. The house that began in Hong Kong in 1983, and the American online atelier it raised.

The Parent House · Est. 1983

Gad & Co.

Where it all began. For over four decades, our family has bought, sold, and crafted fine jewelry from the heart of Central. Gad & Co. is the foundation of everything we do — the vault, the gemologists, and the standards behind every piece that carries our name.

The Online House · USA

Assay Jewelers

The next generation of the same family, based in the United States. Assay brings the Gad & Co. collection and standards to the world online — certified gemstones, luxury watches, and one-of-a-kind estate pieces, shipped fully insured worldwide.

The Gad & Co. team beneath the shop sign in Central, Hong Kong

Four decades of familiar faces — the Gad & Co. team in Central

Visit the Shop

AddressZhongcai Centre
131 Queen's Road Central
Central, Hong Kong

HoursSunday – Friday: 10:30 AM – 7:00 PM
Saturday: Closed
Walk-ins welcome

Phone+852 6022 0282

Private viewingsBy appointment · 24 hours notice for pieces held off-site

Chat on WhatsApp Book a Private Viewing Get Directions

Our story, told by the family

Jeweler setting stones at the bench in the Gad & Co. workshop
At the bench — every piece passes through our own hands
A ring fitting at the Gad & Co. counter
At the counter — unhurried, one guest at a time

Seen something online?

Every piece on assayjewelers.com belongs to the same family collection. Message us on WhatsApp with a link to any piece, and we will arrange to have it available for you to see in person at Gad & Co. in Central.

Arrange a Viewing