The partnership will see the brand act as official sponsor of the England polo team when they take on South America on 5 June.
It will also operate a British equestrian themed pop-up over the course of the three-day event, which is set to run from 5-7 June in London.
The brand will be showcasing its first digital campaign, which is a circus-themed video, to promote its new Circus Collection throughout the tournament.
Majid Mohammadi, chief executive officer, Cutler and Gross said: "We’re delighted to be a part of British sporting history supporting the England Polo team at Chestertons Polo in the Park.
"As a British brand, getting involved in a quintessential British sport seemed like a perfect fit and a great platform to announce our new circus digital film. We will also have a pop-up stand on the day highlighting a British equestrian inspired range curated by our design director, Marie Wilkinson."
Rory Heron, managing director, Chestertons Polo in the Park, added: "It’s great to have another luxury brand on board for this year’s Chestertons Polo in the Park. The event is getting bigger and better each year and Cutler and Gross will add even more sparkle to the event."
Other team sponsors include Air Europa and City AM, meanwhile event sponsors include Champagne Lanson and Royal Dutch Gazelle.
The tournament, which is now in its seventh year, will run from 5-7 June.
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