Translation guide
In Japanese, 'designer brand' is commonly expressed using loanwords or native terms. The most natural way is デザイナーズブランド, but ハイブランド (high brand) is very common in casual conversation. Other options include ブランド品 for branded goods in general, and 高級ブランド for luxury brands.
designer brand
Also commonly ハイブランド in casual speech.
Referring to a brand known for its designer fashion or luxury items.
ハイブランド is more casual and commonly used in everyday conversation. デザイナーズブランド is a direct loanword and sounds slightly more formal or specific to fashion. Both are understood, but ハイブランド may be more natural in casual settings.
Do not translate 'designer brand' as デザイナーのブランド. While grammatically possible, it sounds unnatural. Use the established terms above.
Direct loanword from English. Widely understood, especially in fashion contexts.
She collects designer brand bags.
Literally 'high brand'. Very common in casual speech for luxury or designer brands. Note: this is wasei-eigo (Japanese-made English).
I want a designer brand watch.
Means 'branded goods'. Can refer to any branded item, but often implies designer or luxury brands in context.
If you're buying designer brands, it's better to buy from an authorized store.
Literally 'high-class brand'. Emphasizes luxury and exclusivity. More formal than ハイブランド.
Designer brand clothes are high quality.