The heiresses : [a novel]

"The only thing more flawless than a Saybrook's diamond solitaire is the family behind the jewelry empire. Beauties, entrepreneurs, debutantes, and style mavens, they are the epitome of New York City's high society. But being a Saybrook comes at a price, they are heirs not only to a dizzying fortune but also to a decades-old family curse."@en
"You know the Saybrooks. Everyone does. Perhaps you've read a profile of them in People or have seen their pictures in the society pages of Vogue. Perhaps while walking along that choice block on Fifth Avenue, you've been tempted to enter the ornate limestone building with their family name etched into the pediment above the door.The only thing more flawless than a Saybrook's diamond solitaire is the family behind the jewelry empire..."@en
"The only thing more flawless than a Saybrook's solitaire is the family behind the diamond empire. Beauties, entrepreneurs, debutantes, and mavens, the Saybrooks are the epitome of high society. Anyone would kill to be one of them. But be careful what is wished for, because if someone were a Saybrook, they'd be haunted by secrets and plagued by a dark streak of luck."@en
"After their cousin Poppy jumps to her death, the remaining heiresses of the Saybrook family receive an ominous warning that forces them to uncover a dark truth about their family before they lose the only thing money can't buy--their lives."@en