The word "Divingstone" is spelled with the phonetic transcription /ˈdaɪvɪŋstoʊn/. The first part of the word "Diving" is pronounced with the long "i" sound /aɪ/ and the "ng" sound /ŋ/. The second part of the word "stone" is pronounced with the short "o" sound /ɑ/ and the "n" sound /n/. The word "Divingstone" is a compound word and does not have any unusual silent letters or irregular spellings.