If you have lost your (I)GCSE / DiDA / ELC / FS examination results certificate, full replacement certificate is not provided by the exam board. Instead, a certifying statement of results will be provided to replace the original certificate, by request. Replacements certificates are only available for BTEC qualifications.
Useful links for requesting certifying statement of results are listed below:
CIE: http://www.cie.org.uk/cambridge-for/parents-and-students/exams-and-results/lost-certificates/
Edexcel: http://qualifications.pearson.com/en/support/Services/replacement-certificates.html
AQA: http://www.aqa.org.uk/contact-us/past-results-and-lost-certificates
IB Official Certificate (issued by IBO): https://www.ibo.org/programmes/diploma-programme/assessment-and-exams/requesting-transcripts/
Please note that candidates will need to submit requests by filling in an online form, together with identification documents and payment. Request forms are accessible through the links above.