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 ...

A necklace featuring a giant 163.41-carat colorless diamond sold for $33.7 million at auction. The diamond was the largest of its kind. It broke a record for the most expensive D color flawless ...

SCOTTSDALE, Ariz., Nov. 02, 2023 (GLOBE NEWSWIRE) -- Adamas One Corp. (Nasdaq: JEWL) ("Adamas One," "Adamas" or the "Company"), The Original Lab-Grown Diamond Company™, a high-tech company that ...

A Florida-based company says it has created high-quality, colorless, lab-created diamonds. Diamond industry representatives are debating whether this is a “game changer” in how colorless diamonds are ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than the rest Emma Saaty Selections from the Winston Fancy Color Diamond ...

On top of it, the marketplace for diamonds can be really confusing. There are grades of clarity and color that lead to an overall quality rating. And, of course, diamonds are very expensive. The ...

A rough diamond unearthed in Botswana in the final quarter of 2025 has drawn sustained attention from geoscientists and gemological laboratories worldwide. The 37.41-carat crystal features a highly ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...