Like a light that stays
at the center of daily life,
An engagement ring that melts into your days.
About Delivery
Estimated delivery from—at the earliest.
As each piece is made to order, delivery takes some time. Every ring is crafted by hand by artisans in Japan.
Collection at our Daikanyama store during opening hours is also available.
If you are in a hurry or have a preferred delivery date, feel free to reach out to us.
Like a light that stays at the center of daily life,
An engagement ring that melts into your days.
By giving both the outside and inside a domed structure, we achieved a smooth feel that truly melts into the hand. This work is made to order in a semi-custom format.
Free ring sizer rental
Not sure of your ring size? We lend ring sizers free of charge (within Japan only).
Apply here →
| JP Size | Circumference (mm) | Diameter (mm) | US Size |
|---|---|---|---|
| 5 | 45.2 | 14.4 | 3 |
| 7 | 47.1 | 15.0 | 4 |
| 9 | 49.0 | 15.6 | 5 |
| 11 | 51.0 | 16.2 | 6 |
| 13 | 52.9 | 16.8 | 7 |
| 15 | 54.8 | 17.4 | 7.5 |
Handcrafted by skilled Japanese artisans
Every ANNA DIAMOND piece is finished by hand, one by one, by skilled artisans in our workshops in Japan.
Delicate lines designed in Paris, brought to life by exceptional Japanese craftsmanship. This uncompromising approach creates quality you feel the moment you put it on.
Every ANNA DIAMOND piece comes with warranties and care,
so you can enjoy it for many years.
Our promises for jewelry that is beautiful,
ethically as well as visually.
The moment your jewelry arrives should feel special too,
so we take care in how every order is packaged.
The jewelry box is a book.
The story begins the moment it opens.
Delivery
Returns & Exchanges
Returns accepted within 7 days
FAQ
K18 is 75% pure gold, K10 about 42%. K18 offers a deeper color and greater durability, while K10 comes at a more accessible price.
→ See our materials guide
Every piece comes with a 2 year warranty from the date of purchase. Issues arising from normal wear are repaired free of charge.
→ See our after care services
Daikanyama store offers sizing in person. Free ring sizer rental is also available (within Japan only).
→ Request a ring sizer
Every piece arrives in our book inspired original package. A gift bag can be included on request.
Estimated delivery is shown in the Delivery section above the cart button on each product page. If you are in a hurry, please reach us via the contact form.
Returns are accepted within 7 days of delivery (excluding full order and custom order pieces, for items priced ¥400,000 tax incl. or less; engraved items may not be eligible). If the size does not fit, we offer one free resizing within 1 year of purchase.
Platinum 950 and K18 gold rarely cause metal allergies. If you have concerns, feel free to contact us.
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