


Chain change [Delivery time: approximately 6 weeks]
受注生産(納期約6週間)
Use the adjuster to change the length.
Chain change customization option.
Recommended for those who are worried about the thinness of the chain or think it is too thin and doesn't suit them.
[Detailed specifications]
Original chain link width 0.5mm, linear 0.17φ, K10YG cut azuki bean chain, approximately 0.4g
- New link width: 0.6mm, linearity: 0.20φ, K10YG cut azuki bean chain, approximately 0.5g
Link width 0.75mm, linearity 0.23φ, K10YG cut azuki bean chain, approx. 0.71g
This is an optional accessory and must be ordered together with the necklace.
[Notes]
- If you choose this option, it will take approximately 6 weeks from the time of order to delivery.
- If you choose this option, we will not be able to accept returns or exchanges.
- If you choose this option, please contact us within 24 hours of placing your order to cancel. After this time, production will begin and cancellations will not be accepted.
- Platinum chains cannot be attached to K10YG products, and K10YG chains cannot be attached to platinum products.
Choose options



受注生産(納期約6週間)
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午前10時以降のご注文は、翌営業日の発送となりますのでご了承ください。
到着後1週間以内にご連絡いただければ返品が可能です。納期がかかる受注生産はご返品がいただけません。詳しくはこちら
お買い上げから3ヶ月間、製品の不備に起因する破損は無償にて修理を承ります。
お買い上げの製品はすべて責任を持って修理対応いたします。詳しくはこちら
Shopping Guide
Flow from Order to Delivery
Order Select your desired items and proceed to the purchase screen in your cart. Once your order is complete, you will receive an "Order Confirmation (automated email)" from info@monatelier-jewelry.com.
If you do not receive this email, please check your spam folder or email settings.
Order Confirmation Our staff will review your order and send you an order confirmation email. Please check this email for information on the shipping date and payment amount.
Shipping Domestic shipments are sent via Japan Post's Yu-Packet.
For international shipments, items are sent via Japan Post International Parcel (Airmail), and additional shipping charges will apply.
Delivery Time and Shipping Orders placed by 10:00 AM on business days will be shipped the same day. Orders placed after 10:00 AM will be shipped the next business day.
Business days are weekdays. We are closed on weekends, public holidays, and during the New Year holidays. Please note that only orders for which payment has been confirmed by 10:00 AM on business days will be shipped.
Regarding Delivery Date Specification Since Japan Post’s Yu-Packet is delivered to your mailbox, you cannot specify the delivery date. Delivery is generally made within one to two days from the shipping date. For more details, please refer to the Japan Post website.
If you purchase a gift box, we will ship via Yamato Transport. If you wish to specify the delivery date, please enter the details in the remarks column. For any confirmations after shipping, please use the services provided by Yamato Transport. The delivery date that can be specified with Yamato Transport is within seven days from the shipping date.
Holding at Sales Office By having the delivery destination held at the carrier's sales office, you can adjust the timing of receipt at your convenience.
[If you purchase a gift box] We can arrange for your package to be held at a Yamato Transport sales office. Please include the following details:
- Write "Hold at Sales Office" in the remarks column of the cart.
- Enter the desired center name and center code in the delivery address.
If the specified center is not mentioned, we will designate the nearest center to the delivery address. In such cases, the package may not be delivered to your desired center, so specifying it is recommended. For more details on how to pick up your package, please refer to the official Yamato Transport website. https://www.kuronekoyamato.co.jp/
[If you do not purchase a gift box] We will deliver via Japan Post's Yu-Packet. After entering your usual address, please include the desired post office name and postal code (e.g., 〒000-000 XX Post Office) in the following two places:
- Building column in the delivery address when making a purchase.
- Remarks column in the cart screen.
When the package arrives, you will need to present identification to complete the receipt process. For more details, please refer to the Japan Post website. Note: This link will take you to the Japan Post website. Note: Sales office holding is available for domestic shipments only.


