I’ve never been a staunch minimalist , but I have definitely leaned that way most of my life. I like simplicity and good design, preferring elements like texture, shape, and fabric to bring more interest to a piece rather than bold color or fussy details. In a Venn diagram of personal style using only Saint Laurent muses, I’ve always felt my circle overlapped more with Betty Catroux than Loulou de la Falaise. While I can appreciate the latter’s flair for the dramatic, Betty’s lean suits and masculine-meets-feminine approach resonate far more than Loulou’s prints and layered stacks of bangles .

It goes without saying, then, that my approach to jewelry has historically been less-is-more. I have been wearing the same two Cartier pieces daily, along with my wedding band and the diamond stud earrings I always keep on, even when I swim . Jackie O had her swimming ring; I have swimming earrings.…