• Before you shop

    You must register as a member to shop at the Core Jewels online shop.
    If you would like to register as a member, please apply from the " New Member Registration Screen " here.
    *Password is very important information for customers. Try to set something that is difficult for others to guess.

  • Product selection

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

  • Login

    You must log in before processing your order. Please enter your registered email address and password.
    *Customers who have already logged in 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 procedures on the " New Member Registration Screen ."

  • Product price and payment

    Please pay the total price displayed for each product, consumption tax, shipping fee, and transfer fee.
    You can choose to pay by credit card or bank transfer.
    *All prices displayed on this site exclude consumption tax.

    1. There are five types of credit cards that can be used: JCB, VISA, Master, AMEX, and Diners.
    *Available for bulk use only.
    *There is no fee when paying by credit card.

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

  • About issuing receipts

    We are currently not issuing receipts.

  • About shipping the product

    The ordered products will be delivered by Yamato Transport .
    Delivery of products is limited to within Japan only.
    *On the shipping date, we will send an email to the email address you registered to confirm shipping completion. Free domestic shipping.

  • Regarding returns, changes, cancellations, and repairs of orders

    ・Please note that we do not accept cancellations or changes to orders other than returns or exchanges, excluding product defects or incorrect shipments. If the product is defective or incorrectly shipped, please contact us by email within 7 days. After contacting us, we will explain how to return the product and receive a refund. In that case, we will bear the shipping charges.

    ・Please use your local remodeling store for processing or repair of the purchased product. Core Jewels stores do not process or repair items. Please note.
    *For inquiries by email, please contact us here .

  • About cooling off

    Please note that the cooling-off system does not apply.

  • About my page

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

  • Recommended environment

    ・When using from a computer 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 previous version)
    Android: Latest version (and the previous version)

  • About security

    This site uses encryption using "SSL" as a security measure.
    Information sent by customers, such as member registration screens and credit card number input screens, is encrypted and safely managed.