A diamond-studded necklace thought to be linked to a scandal that hastened the downfall of the doomed 18th century queen of France, Marie Antoinette, sold at auction in Geneva on Wednesday for 4.26 ...
(PRESS RELEASE) DALLAS — The American Gem Trade Association (AGTA) announced the winners of the 2024 AGTA Spectrum & Cutting Edge Awards. This year is extra special because it marks 40 years of ...