Wynn-Lose Situation Los Angeles diamond dealer Diane Breitman claims a failed attempt to sell the 230 ct. Wynn Diamond has damaged her reputation and cost her $1.4 million in commission. The Wynn—set in a $1 million Cartier necklace and carrying a grade of H VS1—is owned by gaming magnate Steve Wynn. According to the complaint, filed Feb. 1 in Los Angeles Superior Court, in 2011, Wynn approached Breitman, who does business as the Queen of Diamonds, about selling the stone. That June, she reportedly held a private auction at JCK Las Vegas, where Texas dealer Brett Stettner agreed to buy it for $23.5 million, putting up a 20 ct., $420,000 diamond as collateral. Later, he tried to renegotiate and the deal fell through. But Stettner still claimed he owned the Wynn, and confusion over its ownership caused potential buyers to back off. Wynn eventually canceled his deal with Breitman an