On arrival in Britain on 29 June, the passengers and mail were unloaded in Plymouth, but the Koh-i-Noor stayed on board until the ship reached Spithead, near Portsmouth, on 1 July. The next morning, Ramsay and Mackeson, in the company of Mr Onslow, the private secretary to the Chairman of the Court of Directors of the British East India Company, proceeded by train to East India House in the City of London and passed the diamond into the care of the chairman and deputy chairman of the East India Company.