

The Unspoiled Diamond
1982, Japanese. Directed by Toshiya Fujita.
A college student has an affair with a married, middle-aged teacher.
- Runtime
- 1h 44m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
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Where to watch The Unspoiled Diamond
The Unspoiled Diamond isn’t streaming on any OTT platform in India yet; it released on 15 May 1982.
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Cast & crew
- Toshiya FujitaDirector
- Misako TanakaYumiko Koshiya
- Yukiji AsaokaMachiko Mimura
- Eri IshidaYayoi Mimura
- Kazuya KosakaCast
- Bang-ho ChoZenzo Nekomiya
- Sachiko ItōCast
- Yuki KitazumeTetsu Yaoi
- Haruna TakaseCast
- Yasuhiro AraiYoung Man
- Nobuhiko ObayashiMeeting Host
- Mariko KagaKazuko Makimura
- Tsutomu YamazakiIchiro Mimura
Details
- Released
- 15 May 1982
- Original title
- ダイアモンドは傷つかない
- Country
- Japan
- Written by
- Akiko Tanaka
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News & fan talk
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The Unspoiled Diamond: quick answers
Is The Unspoiled Diamond worth watching?
The Unspoiled Diamond doesn’t have enough ratings for a verdict yet.
How long is The Unspoiled Diamond?
The Unspoiled Diamond runs 104 minutes (1h 44m).
Does The Unspoiled Diamond have a post-credits scene?
None is listed for The Unspoiled Diamond. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Unspoiled Diamond parents guide: is it suitable for kids?
No age rating is listed for The Unspoiled Diamond yet.
Which OTT platform is The Unspoiled Diamond on?
The Unspoiled Diamond isn’t streaming on any OTT platform in India yet; it released on 15 May 1982. (Checked 10 November 2026.)
What movies are like The Unspoiled Diamond?
If you liked The Unspoiled Diamond, try Blind, Gabriel's Inferno: Part III, Not Easily Broken.
Who directed The Unspoiled Diamond?
The Unspoiled Diamond (1982) was directed by Toshiya Fujita and stars Misako Tanaka, Yukiji Asaoka, Eri Ishida.