Frequently Asked Questions


What metals and materials are used in your jewelry?

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.

What payment methods do you accept?

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How can I contact customer support?

Reach us at or 03-5818-2950.

We are open Mon-Fri from 9am to 6pm.

Can I view your diamonds and jewelry in person?

Can I view your diamonds and jewelry in person?

Do I need an appointment to visit your store?

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

Can I make a purchase directly at your store?

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

Do you offer custom design consultation in person?

Do you offer custom design consultation in person?

Is it possible to resize a ring in-store?

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

Can I trade in or upgrade my current jewelry in person?

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:




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