The bidding did not reach the unspecified reserve price. — -- After much admiration and anticipation, the world’s largest uncut diamond failed to sell at a public auction Wednesday night. The ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The boundary between the ...

So De Beers unearthed a rough stone that could fulfill the requirements. The process from procuring the uncut diamond to setting the resulting finished gems in a pair of drop earrings took over a year ...

Prices for rough diamonds — the raw, unpolished, and uncut stones — have dipped in 2023 as many post-pandemic consumers shy away from luxury goods. According to the Zimnisky Global Rough Diamond Index ...

Diamonds are the ultimate status symbol, but are they really forever? For over five centuries, Antwerp's diamond district in Belgium has been the cornerstone of the global diamond trade, through which ...

Industrial diamonds may be less flashy than their multifaceted, organic cousins, but their durability offers great potential for scientific use Yogesh Vohra, Ph.D., professor of physics and associate ...

Most uncut gems are bought by dealers and jewelers, but a new business is selling them to the public. By Milena Lazazzera Uncut diamonds usually are sold to dealers or jewelers who then incorporate ...

Miners have unearthed a rare, two-colored natural diamond in Botswana — and experts say it likely formed in two stages. The diamond is half pink, half colorless. It measures about 1 by 0.63 by 0.57 ...