Sotheby’s sold the world’s largest fancy-vivid-orangy-pink diamond last week in Abu Dhabi, where the stone raked in $8.8 million, beating its upper estimate. The Desert Rose — a pear-shaped, ...
A yellow diamond that the Gemological Institute of America (GIA) recently received for grading contained star-patterned inclusions that had the lab struggling to identify their source. When the GIA ...