then becomes necessary.$2,050,000 rejected for big diamondTOKYO (Reuter)—A bid of 570 million yen ($2,050,000) failed lo secure (he 205-carat. “Red Cross” diamond, I lie tenth biggest, in the world, at an auction hero today.The auctioneers said the $10,00ft-per-carat bid was below the minimum price sol by the jewel’s owner, an unidentified American businessman. They liar! expected the si one to go for more than 1.5 billion yen (nboi.il.$5 million).'About. 20 buyers attended the auction of the canary-colored, brilliant, cut diamond, which was found in the Dc Boors mine in South Africa. It: took its name from its auction sale in 1ft Ig by I ho British Red Cross lo an unkwovvn buyer—for $50,* 000.