Black, Starr & Frost Since 1810 341 Bayside Drive Newport Beach, Calif. 949-673-1771 blackstarrfrost.com When Marilyn Monroe crooned “Diamonds Are a Girl’s Best Friend” in the 1953 film Gentlemen Prefer Blondes, she gave shout-outs to Cartier, Tiffany & Co., Harry Winston—and Black, Starr & Frost-Gorham. Black, Starr & Frost (Gorham was dropped in 1962) may not boast the name recognition of those other brands, but it’s the one with the most history. Founded in 1810 by Isaac Marquand as a little shop at 164 Broadway in New York City (then home to a mere 96,000 people), the jeweler soon rose to national prominence even as it underwent a series of name and ownership changes. (Among its owners: Kay Jewelers, pre-purchase by Sterling.) In 1991, Black, Starr & Frost had 33 locations, including a flagship in New York City’s Plaza Hotel; 15 years later, it