Program aims to educate young consumers about mined stones’ positive qualities.
3.06-carat stone expected to go for up to $300,000.
New Jersey Rago/Wright Fall Jewels sale to feature 300 lots.
On runways, in fine-jewelry collections, and even on TV, these shimmering gems are seeing an explosion of unconventional designs.
Retailer names Rosie Huntington-Whiteley as newest global house ambassador.
Sapphire and diamond piece was top seller at Jewels and Jadeite sale.
Stone was estimated to fetch up to $15 million in Geneva.