One couple's private collection of jewelry, which was accumulated over the course of their six decades of marriage, will be auctioned off at Sotheby's later this month, on June 13, 2025. Among the 13 ...

A 910-carat colorless diamond was found in a mine in Southern Africa. — -- A whopping 910-carat diamond was discovered in Southern Africa, one of the biggest gems ever found, the mining company ...

GENEVA, Switzerland – Prestigious jeweller Harry Winston, which was acquired earlier this year by Swatch Group, bought a new colorless, flawless 101.73-carat diamond for a record $26.7 million at an ...

Diamonds are treasured around the world for their beauty and sparkle. Although the gemstone and jewelry industries market them to symbolize enduring love, they’re also a scientific wonder. Natural ...

When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

Trump’s tariffs and shifting tastes reshaped the close of the 2025 auction season, as colored gems and signed jewels ...

A rare pear-shaped diamond that is expected to fetch up to $15 million can be bought at auction next month using cryptocurrencies, Sotheby’s announced on Monday. Sotheby’s said it would be first time ...