Diamond, Marie Antoinette

How the Affair of the Diamond Necklace changed history—and why 18th-century jewelry remains an eternal holy grail.
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...
“What we’ve seen is that jewelry with a noble provenance can generate a huge amount of excitement,” she added, citing a ...