When it comes to the world of high jewelry—or haute joaillerie as it’s known—the most rarefied strata of jewelry rise to the top. Similar qualifiers describe fancy green diamonds: incredibly rare, ...

In high jewelry, true distinction comes from vision. The most compelling pieces challenge expectations, pairing extraordinary stones with design that is disciplined yet expressive. Collectors are ...

GENEVA (AP) — A 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist sold for more than 13.5 million Swiss francs ($17.3 million) on Wednesday, Christie ...

For centuries, diamonds have been regarded as symbols of eternal love, characterised by their rarity, scintillation and lustre. But behind the glamour of these stones lies a cold, hard truth: an ...