Examples include a Cartier sapphire-and-diamond ring from the collection of Constance Prosser Mellon, which sold for nearly US$3.3 million, above a US$2.5 million high estimate, and a Paraíba ...

One of the largest jewelry sales in history opens next month in Switzerland, with 700 glittering pieces expected to fetch more than $150 million, including the world’s most expensive ruby ring ...

However, her previous engagement rings, per Town & Country, include a rare pink diamond from Ben Affleck in 2002 valued at over $2.5M and an 8.5-carat green diamond ring, valued at $5M in 2022.

A ruby named after a Sufi mystic’s poem. Marie-Antionette’s pearl pendant. A blue diamond dubbed for a seven-year-old. And who would have thought pink gemstones would be so popular? The […] ...