The Gemological Institute of America (GIA) board has named Pritesh Patel, currently COO, as its new president and CEO, ...

Không chỉ "còn đất sống", các phân tích cho thấy một tương lai đầy triển vọng, nơi giá trị bất động sản sẽ gia tăng bền vững.

The Gemological Institute of America will no longer evaluate lab-grown diamonds using the 4Cs: cut, color, clarity, and carat ...

Aimed at reshaping the global gem trade, the Gemological Institute of America (GIA), known as the foremost authority on ...

Diamonds, rare colored gems and signed jewels from important private collections fueled Sotheby’s High Jewelry auction in New ...

This tiny stone is an anomaly of geology. It is the rarest kind of diamond — graded “Fancy red,” pure and unmodified by other ...

HONG KONG SAR - Media OutReach Newswire - 10 June 2025 - The Gemological Institute of America (GIA), the world's foremost ...

Discover the captivating history and scientific secrets behind the Winston Red Diamond, one of the rarest and most coveted gems in the world.

The Gemological Institute of America's move is meant to safeguard the integrity of the natural diamond industry that is battling a huge downturn ...

The Gemological Institute of America (GIA), considered the world’s foremost authority on gemmology, said later this year, it will start using descriptive terms to characterise the quality of ...

The Gemological Institute of America, the world leader in diamond grading, will not use its internationally recognised 4Cs (cut, colour, clarity, and carat weight) grading system for laboratory ...

GIA (Gemological Institute of America) has expanded its approach to evaluating nacre on all pearl classification reports, providing an important update to the institute’s comprehensive pearl ...