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SHOPPING GUIDE

  • Before you shop

    You need to register as a member to shop at the KOKI online shop.
    If you would like to register as a member, please apply from the " New Member Registration Screen " here.
    *Your password is very important information to you. Please set a password that is difficult for others to guess.

  • Product Selection

    On the product details page, select the color, size and quantity and click the "ADD TO CART" or "MAKE TO ORDER" button.
    *Please note that after adding an item to your cart, it will be automatically removed from the cart after a certain period of time (30 minutes) has passed.

  • Log in

    Before placing your order, you must log in. Please enter your registered email address and password.
    *If you are already logged in, you can skip this screen and proceed to the next screen.
    *If you have not yet registered as a member, you will need to complete the process on the "New Member Registration Screen."

  • Product price and payment

    Please pay the total amount including the displayed price for each product, consumption tax, shipping fee, and bank transfer fee.
    You can choose to pay by credit card or bank transfer.
    *All prices on this website do not include consumption tax.

    1. Credit cards There are five types of cards that can be used: JCB, VISA, Master, AMEX, and Diners.
    *Only available in bulk.
    *There is no fee if you pay by credit card.

    2. Bank Transfer Please transfer the money to the bank account listed in the order completion email within 7 days after completing the order.

  • Issuing receipts

    Receipts are not currently issued.

  • About shipping

    Your ordered items will be delivered by Yamato Transport .
    Delivery of products is limited to within Japan only.
    * On the shipping date, we will send you an email to notify you that your order has been shipped to the email address you registered. Domestic shipping is free.

  • Returns, changes, cancellations and repairs for orders

    ・Please note that we do not accept cancellations or changes to your order, except for returns or exchanges, except for defective products or incorrect shipments. In the case of defective products or incorrect shipments, please be sure to contact us by email within 7 days. After receiving your contact, we will explain how to return the product and receive a refund. In that case, we will cover the shipping costs.

    ・For any alterations or repairs to the products you have purchased, please use a nearby remodeling store. Core Jewels stores do not accept alterations or repairs. Thank you for your understanding.
    *For inquiries by email, please contact us here.

  • About the cooling off period

    Please note that the cooling off period does not apply.

  • About My Page

    You can check your order history and change your membership information on My Page.

  • Recommended environment

    ・When using a PC or tablet
    The following browsers with JavaScript, style sheets, and image display enabled:
    Internet Explorer 11.x
    Google Chrome latest version
    Mozilla Firefox latest version
    Latest version of Safari

    ・When using from a smartphone
    iOS: latest version (and the version before that)
    Android: latest version (and the version before that)

  • Security

    This site uses "SSL" encryption as a security measure.
    We encrypt and securely store information sent by customers on the membership registration screen, credit card number input screen, etc.