• Last month we reported that Westchester real estate developer Louis Cappelli had gone into contract to sell his 13-room duplex at 515 Park Avenue. The Post reports today that the deal has closed. The 6,500-square-foot, six-bedroom spread, which Cappelli and wife Kylie Travis bought for $15 million in 2002 and listed last year for $29.5 million, was sold to Swedish lingerie manufacturer Eric Ryd for $24 million. [NYP]
• Art dealer Christophe Van de Weghe has sold his loft at 77 Mercer Street for $2.8 million, or $1.2 million more than what he paid for it back in 2004. [NYO]
• There's a new record for the most expensive residential sale in Sag Harbor. An eight-bedroom, 8,200-square-foot "Nantucket-style cottage" at 25 Shaw Road sold for approximately $14 million yesterday, although the identities of both the buyer and seller remain unknown. [NYM, Real Deal]

• Luke and Julie Janklow have lowered the price of their West 12th Street townhouse for the second time since listing it for $24.975 million in January. The 25-foot-wide manse, which the Janklows purchased from Andre Balazs and ex-wife Katie Ford for $4.5 million in 2004, is now listed with broker Paula del Nunzio for $17.95 million. [Cityfile, BHS]
• Shire Realty CEO Rena Shulsky has put her penthouse at 812 Fifth Avenue on the market. The three-bedroom co-op, which Shulsky purchased two years ago for $9.23 million, is currently listed for $11.75 million. [Cityfile, PDE]
• Investor Enrique Foster Gittes is at it again. Nearly two months after he dropped the price of his townhouse at 12 East 63rd Street for the third time, he has now decided to raise the price by $2.5 million. The 13,000-square-foot mansion is now listed for $23 million. [Cityfile, BHS]
• Designer Domenico Dolce has closed on two penthouse units at the Annabelle Selldorf-designed "Sky Garage" building. Dolce paid a combined $29 million for the two spreads (with a total of 7,500 square feet of living space) at 200 11th Avenue through an entity called Cinquantotto LLC. [Real Deal, NYP]
• Danielle Staub, one of the stars of The Real Housewives of New Jersey, has listed her home in Wayne, NJ for $1.45 million. [Zillow]