You can call Diamond Resorts on their UK helpline 0800 358 6991.
This customer service phone number helps with existing and prospective bookings, as well as general enquiries or brochure requests.
Alternatively you can contact Diamond Resorts via their online form, located at this web address: https://www.diamondresorts.com/contact-us
Diamond Resorts is the owner and proprietor of a number of holiday venues around North America and Europe. Prioritizing customer service and experience is part of the company’s philosophy, hence its members-only exclusivity.