Specified Commercial Transactions Act Disclosure

The following disclosure is provided by MadisonDia in accordance with the Japanese Act on Specified Commercial Transactions (Tokutei Shōtorihiki-hō, Article 11), which governs online and mail-order sales. It sets out our company, contact and transaction details so that you can review them before placing an order.

Business & Contact Details

Trading entity Kardias Fashion Group Limited, operating the MadisonDia brand
Representative Wu, Yiu Fai
Address G11, Hankow Centre, 5–15 Hankow Road, Tsim Sha Tsui, Kowloon, Hong KongG11 is on the shopping-mall ground floor, not the office tower.
Telephone +852 5509 9857
Email / Enquiries info@madisondia.comYou may also reach us via our FAQ & contact page.
Business hours Daily 12:00–20:30 (closed on Saturdays)

Pricing, Payment & Fulfilment

Selling price As displayed on each individual product page. Prices are shown in the currency of your selected region.
Charges beyond the product price Applicable VAT / consumption tax is charged where required by the destination, and any import duties, taxes, or customs fees are the recipient's responsibility — except orders shipped to Japan, for which MadisonDia covers import customs duty. Shipping charges, where applicable, are shown at checkout and detailed on our delivery page.
Accepted payment methods VISA, Mastercard, JCB, Apple Pay, Google Pay, and other major credit cards.
Timing of payment Payment is processed at the time the order is placed.
Delivery / dispatch period Dispatch and delivery timeframes are set out on our delivery information page.
Returns & exchanges Our returns and exchange terms are set out in full on our returns policy page — loose diamonds carry a 30-day unconditional return; finished jewellery a 14-day return. Please review that page for the applicable conditions before ordering.