Policies & terms
Every transaction condition, policy and procedure Diamond Bay publishes for its website and online platforms.
- Effective from:
- 07/23/2026
- Version:
- 1.0
- Documents
- 8 documents
Service provider details
The details below apply to every document on this page.
- Company name
- HA LONG DIAMOND BAY CO., LTD
- Trading as
- DIAMOND BAY
- Enterprise code / Tax code
- 5702224433Issued 29/04/2026 by the Department of Finance of Quang Ninh Province
- International travel business licence
- 22-0208/2026/CDLQGVN-GP LHQT
- Registered office
- Bai Chay, Quang Ninh, Vietnam
- Phone / Hotline
- +84 78 2224433
- info@diamondbay.vn
- Support & complaints email
- support@diamondbay.vn
- Personal data email
- privacy@diamondbay.vn
- Websites and domains covered
- diamondbay.vnhalong.diamondbay.vncruises.diamondbay.vnma.diamondbay.vndiamondbaycruises.comdiamondbaycruises.vndiamondbay.com.vn
The Vietnamese text is the original and the legally binding version; this translation is provided for convenience.
Documents
- 01
General transaction terms (opens in a new tab)
The terms that apply when you visit the website, request a quotation, hold a booking, pay for and use Diamond Bay services.
Read document - 02
Privacy and personal data protection policy (opens in a new tab)
How Diamond Bay collects, uses, stores, shares and protects the personal data of visitors, customers, passengers and partners.
Read document - 03
How we receive and resolve feedback, requests and complaints (opens in a new tab)
The channels we accept, what to send us, the five-step procedure and the deadlines within which Diamond Bay replies.
Read document - 04
Pricing policy (opens in a new tab)
How prices are published, taxes, fees and surcharges, promotions, child pricing, B2B rates and how pricing errors are handled.
Read document - 05
Payment policy (opens in a new tab)
Payment methods, when a payment obligation arises, deposits, how transactions are recorded, failed payments and payment security.
Read document - 06
Conditions and limits on the supply of goods and services (opens in a new tab)
What we sell, where and when we operate, passenger and document requirements, conduct rules, weather limits and force majeure.
Read document - 07
Service delivery, termination and refund policy (opens in a new tab)
How a booking is delivered and confirmed, the conditions for changes, cancellation, no-shows and force majeure, and how a refund is calculated.
Read document - 08
Online support (opens in a new tab)
Our official support channels, staffed hours, what we help with, expected response times and how to spot an impersonator.
Read document
Legal basis
The documents above are built on:
- Law on E-commerce No. 122/2025/QH15, in force from 01/07/2026;
- Decree No. 248/2026/ND-CP detailing a number of articles of the Law on E-commerce, in force from 01/07/2026;
- Law on Personal Data Protection No. 91/2025/QH15, in force from 01/01/2026;
- Decree No. 356/2025/ND-CP detailing articles and measures implementing the Law on Personal Data Protection;
- Law on Protection of Consumer Rights No. 19/2023/QH15 and Decree No. 55/2024/ND-CP;
- Law on Electronic Transactions No. 20/2023/QH15 and the related sector-specific regulations.
Still have questions?
If anything above needs clarifying, contact Diamond Bay by hotline or email. We reply within 24 working hours.
- Phone / Hotline
- +84 78 2224433
- Support & complaints email
- support@diamondbay.vn
The information you send through this form is processed under our privacy and personal data protection policy.