Program aims to educate young consumers about mined stones’ positive qualities.
Here are the 10 top-grossing stones at auction in 2022.
Here are the 10 largest rough and polished stones to hit our news feed this year.
D-color stone expected to fetch up to $4 million at auction.
Diamond necklace leads auction with price of $5.9 million.
Pre-owned timepieces are beating jewelry at auction and outselling hard-to-get newer models.
Pear-cut, 31.62-carat stone set in pendant a top item at New York Magnificent Jewels.
Sale price hits just above lower end of estimate.
Square emerald-cut Graff ring will be one of the lead items at November 8 Geneva Magnificent Jewels auction.
18.18-carat gem is largest pear-shaped stone to be offered at auction.
Sale includes 112 extremely rare timepieces from a single-owner.