“Diamond formation in the deep Earth—the very deep Earth—may be a more common process than we thought,” says Johns Hopkins University geochemist Dimitri A. Sverjensky.
From the outside, Number 2 Hoveniersstraat Street in Antwerp is a nondescript office block. Only the clusters of businessmen speaking in Gujarati on their mobile phones or with each other, give any indication of the hive of activity inside.
Harold Leighton shares about his 1969 hair sensation, “Hair & Jewel”—an ornate do with $1 million in Graff jewels. A 2013 re-creation is worth half billion