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Natural Diamond Identification Session

Natural diamonds are formed under extremely high pressure and temperature at great depths within the Earth’s mantle over more than tens of millions of years. Therefore, the supply of natural diamonds is extremely limited. Each and every natural diamond is unique and precious.

MADIA adopts advanced technology and monitoring systems. Each MADIA masterpiece undergoes a strict quality control process before shipping to ensure every product is at highest quality selling in MADIA store.

Designed for diamond lovers, MADIA will guide you in identifying natural diamonds and synthetic diamonds, and knowing more about gold content of jewellery*.

Advance booking is required; please contact our shop staff for arrangement, or via to make reservation.

*Terms & Conditions applied; please contact shop staff for details.

We cordially invite you, and a friend, to a 15-minute Natural Diamond Identification Session.
Designed for diamond lovers, MADIA will guide you in identifying natural diamonds and synthetic diamonds, and knowing more about gold content of jewellery.

Participant will receive a Certificate of Completion, and a Personalized Jewellery Design Service (worth: HK$3,000)*.
MADIA VIP will receive a complimentary MADIA Leather Jewellery Pouch**.

*Image is for reference only.
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  1. The terms and conditions listed hereunder is applicable to the “MADIA Natural Diamond Identification Session” (the Event) organized by MADIA Jewellery Co. Ltd (the Organizer).
  2. Apart from the terms and conditions listed hereunder, the Organizer can add/amend the event guideline and inform the participants accordingly.
  3. Applicants can register for the Event for free through this website, and enjoy the exclusive privileges after completing the Event.
  4. All registered participants will receive a certificate, a complimentary Personalized Jewellery Design Service (worth: HK$3,000) and a gift upon completion of the Event.
  5. You must complete the registration form with your complete personal details and the desired date and time of participation. Each registration will allow a maximum of 2 participants and one of them should be the registrant with matching name and contact number.
  6. Our staff will contact the registrant to confirm the registration details and event time. No alteration on the time can be made after confirmation.
  7. Registration will be considered as a failure if the Organizer cannot contact the registrants due to wrong or missing registration information.
  1. Amendments on the terms and conditions of the Event and all related guidelines at any time without prior notice to the registrants in its sole discretion. All participants should follow the final terms, conditions and guidelines; and
  2. If participants violate any terms, conditions or guidelines (during or after the event) according to the Organizer’s sole discretion, the Organizer can disqualify the participants and shall not be responsible for the participants’ loss due to the disqualification.
  1. Use of personal data collected:All personal data provided will only be used for registration, verification and contact purpose of“MADIA Natural Diamond Identification Session”.
  2. Classes of Transferees: Personal data collected by MADIA may be disclosed to our Group Companies, or any third party agents, contractors and other network operators (only limited to the Event).
  3. Security of personal data:MADIA will always strive to ensure your personal data will be protected against unauthorized access. All collected personal data will only be accessible by our own or our authorized third party's personnel, for the captioned purpose only.
  4. Under no circumstances shall MADIA be responsible for any loss, damages, or liability (whether direct, indirect or otherwise), including but not limited to computer, network, telephone, technical failure, or any inscrutable reasons, leading to delay, loss, mistake, or damage of the registrants’ personal data submitted.
  5. You may request access to, and make amendments to your personal data stored in our record. To exercise your rights, please contact us for assistance.

Customer Service Hotline: 2971 2266