A rare 170-carat pink diamond has been discovered in an Angola mine, authorities confirmed on Wednesday, reporting it to be the largest such stone found in 300 years. The rare "Lulo Rose" diamond was ...

The ultra-rare stone could fetch up to $40 million, signalling a bright spot for a diamond sector under pressure.

Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...

Africa-focused miners Gem Diamonds (LON: GEMD) and Lucara Diamond (TSX: LUC) have recovered big, high-quality Type IIa diamonds at their respective operations. Gem Diamonds said on Thursday it had ...

When Feb. 14 approaches each year, the thoughts of many Americans in love turns to diamonds. Nearly 20% of 2018 Valentines Day gift-givers plan to spend a total of $4.7 billion on jewelry, up 9.3% ...

Diamonds are the hardest naturally occurring minerals known to man. Even so, scientists are working to make them even tougher, in order to use the sparkling gems as tools for cutting. Now, a team of ...

The historic "Lulo Rose" was unearthed in an Angola mine owned by Australia's Lucapa Diamond Company Anna Lazarus Caplan is a writer-reporter for PEOPLE. She has been working at PEOPLE since 2022. Her ...

“Diamonds are a girl’s best friend”, as Marilyn Monroe sings, dripping in what are - presumably – imitation diamonds. Many such moments have solidified diamonds and other gems as rare, invaluable ...