Tiffany & Co.'s latest high jewellery collection, Blue Book 2025: Sea of Wonder, takes a deep dive into mystical aquatic ...

It is dated between 1930 and 1933. As with the Tiffany Diamond, the rare appearance of this necklace in public grants this red carpet Grammys moment an immediate place in the jewelry history books.

But Mikey Madison’s necklace goes back even further. Madison won Best Actress at the 97th Academy Awards for her role in Anora wearing a Tiffany necklace made more than a century ago.

This led to the maison launching the first ‘Return to Tiffany’ tag necklace in 1980 – a 14-karat yellow gold design with a heart-shaped pendant, also available on a screwball key ring.

Tiffany & Co.'s striking new World’s Fair Necklace comprises a staggering 180 carats of diamonds and is estimated to be worth $30 million.

Jill Burgum gave the necklace a value of $30,000 to $40,000 and recommended that Joan contact the Tiffany archives to confirm the necklace’s provenance. Learn from Jill what happened after Joan ...