Commercial Disclosure
- Seller
- Cairn
- Operations Manager
- Tsubasa Ouchi
- Address
- Hayama Kabutocho Dai-6 Bldg. 4F, 17-2 Nihonbashi-Kabutocho, Chuo-ku, Tokyo 103-0026
- Phone
- Disclosed without delay upon request, in writing or by email.
- support@c4irn.net
- Website
- https://c4irn.net/
- Price
-
Three stones, purchased once per person:
- Tier 5 (United States, Canada, United Kingdom, Ireland, Germany, Netherlands, Belgium, Luxembourg, Austria, Switzerland, Sweden, Norway, Denmark, Finland, Iceland, Australia, New Zealand, Singapore, Hong Kong): $5.00 × 3 = $15.00
- Tier 3 (Japan, South Korea, Taiwan, Italy, Spain, Portugal, Greece, Czech Republic, Slovenia, Estonia, Poland, Israel, United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Chile, Uruguay): $3.00 × 3 = $9.00
- Tier 1 (all other regions): $1.00 × 3 = $3.00
Local-currency equivalents vary with the prevailing exchange rate. The exact charge is shown at checkout before payment.
- Additional charges
-
Tax is included in the base price.
An optional voluntary donation may be added at checkout.
- Accepted payment methods
- Credit card (Visa / Mastercard / American Express / JCB / Diners Club / Discover, including Apple Pay / Google Pay). Processed via Stripe.
- Time of payment
- Payment is captured at the time of confirmation on the checkout screen.
- Time of service delivery
-
The first stone is published within seconds of payment confirmation.
The remaining two stones may be placed at any time within 50 years from the moment of purchase.
If the first stone is not published within 24 hours of payment due to system failure, the full charge is automatically refunded.
- System requirements
- Major modern browsers (Chrome / Edge / Firefox / Safari / iOS Safari / Android Chrome). JavaScript required.
- Returns and cancellations
-
This is a digital service and is not subject to cooling-off rights.
Refunds after payment are issued only in cases caused by the operator (e.g., system failure to deliver the first stone).
Stones not placed within the 50-year window lapse and are non-refundable.
- Defective service
- If service is not delivered due to operator fault, contact us by email; we will refund the full amount after verification.