UPDATE 1 — Cartier — owner Richemont in talks to join bid for diamond giant De Beers, source says

(Recasts with Reuters sourcing) By Clara Denina and Olivia Kumwenda-Mtambo LONDON/JOHANNESBURG, Oct 15 (Reuters) — Swiss luxury group Richemont is in talks to join a consortium bidding for De Beers, the diamond miner being sold by Anglo American and valued at about $1 billion, a person familiar with the matter said. A deal would give Cartier owner Richemont greater influence over a key part of its supply chain as the diamond industry emerges from a prolonged downturn. Bloomberg News earlier reported the talks, citing people familiar with the matter. Richemont was not immediately available for comment. Anglo American declined to comment. According to the Bloomberg report, Richemont, which also owns jeweller Van Cleef & Arpels, is discussing joining the Global Diamond Consortium, a group led by former De Beers Chief Executive Gareth Penny. Any bid for De Beers would also depend on Botswana, which has a first right of refusal, but has yet to say whether it intends to exercise that option. A spokesperson for Botswana's presidency said on Tuesday the government would not comment until a transaction had been concluded and signed. Officials said this summer a deal was likely to be complet