During the dog days of high summer, when blistering temperatures and heavy humidity leave you slicked in a constant sheen and the thought of wearing anything more than a tank top or lightweight tee feels almost offensive, jewellery becomes the easiest way to elevate an outfit.

Influencer @monikh wears a fish necklace with a white t-shirt and jeans.

That’s exactly why it’s always worth paying attention to the jewellery trends that emerge each summer, as when heatwaves hit and summer holidays call, they’ll be some of the hardest-working pieces in your rotation. This year, there’s one playful trend I keep coming back to.

Influencer @holliemercedes wears a fish necklace with a pink t-shirt and trousers.

Cropping up on the chicest dressers across Europe this season, fashion’s coolest are accessorising with fish-inspired jewellery.

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Often styled as pendant necklaces—though I’ve also spotted plenty of elegant fish-shaped earrings arriving this season—the trend injects a relaxed, playful spirit into an outfit without ever feeling overly whimsical. It has all the breezy, holiday-ready energy of pearl jewellery, but with a fresher, more unexpected edge.

Influencer @torivanbreugel wears a fish necklace with a printed minidress.

Although it feels distinctly new for 2026, brands have been quick to embrace the seaside-inspired motif. While jewellers such as Alighieri have perfected the look, I’ve also found chic interpretations from London favourites including Daisy and Rixo.

Influencer @hannahlovey wears a fish necklace with a striped dress and a fish clutch bag.

If you’re ready to reel in the jewellery trend fashion people can’t stop wearing this summer, keep scrolling to shop my favourite fish-inspired pieces below.

Shop the Fish Jewellery Trend: