All of our jewelry is crafted using natural diamonds and high-quality metals. We meticulously select metals such as gold and platinum to ensure durability, beauty, and lasting quality in every piece.

We currently only accept cash payments or bank transfers . As our brand grows we will be implementing other payment methods.

Reach us at admin@weissdiamonds.com or 03-5818-2950.

We are open Mon-Fri from 9am to 7pm.

Certainly! Please visit our store to see the brilliance of our diamonds and the craftsmanship firsthand.

While not mandatory, appointments are recommended for personalized attention. If you wish to come on the same day, please phone us before calling at 03-5818-2950

Absolutely! Our knowledgeable staff is ready to assist you with in-store purchases.

Do you offer custom design consultation in person?

Yes, we provide in-store ring resizing services for all jewelry bought in our store.

Certainly! We offer a lifetime full money buy-back guarantee for a future upgrade (下取り) , terms apply:

The upgrade is at least double the original purchase, Client can provide our original warranty and certificates.   

The item is inspected and matches its original state.    For Flawless or Internally flawless clarities, a new certificate will be needed to prove no blemishes.

For more information click here

In-store purchases are subject to the same return and exchange policies as online purchases. For more details, please refer to our policy here.
Contact us by phone (03-5818-2950) or email (admin@weissdiamonds.com) Our staff will respond with sincere attention.