About Us

Established in 1994, we have been serving the Japan Jewelry wholesale market, sourcing and polishing Diamonds from worldwide sources.

An unblemished reputation and global connections make Weiss Co and our vast and ever changing inventory a unique and second to none Unicorn of the Diamond industry in Japan.

Our staff in Tokyo and Mumbai will make sure to supply spot on orders at unbeatable prices and our design and craft team will make those precious selected diamonds into fine jewelry pieces, whether for our inventory or custom orders.

More about our CEO, Adi Levy and the history of our company here.

More about how to buy diamonds here

More about our company's warranty here

FAQ about our company here