At the American Museum of Natural History here in New York, I had the pleasure of experiencing both at the same time.

Whether you're shopping for your first signet ring or your fiftieth diamond choker, these are the biggest names in ...

View A STAR SAPPHIRE PENDANT, the oval stone collet set in a plain swept mount, on a chain necklace with By Collet; oval stone; . Access more artwork lots and estimated & realized auction prices on ...

Tuesday, 27 May 2025, an exceptional 35.09-carat Regent Kashmir sapphire made jewelry history at Christie’s Hong Kong when it ...