Rarest blue diamonds may get their color from a surprising source. GIA study
Blue Diamonds have a surprising superdeep origin and link to ancient oceans, says GIA study published in Nature. Boron
Posts Tagged 'Hope diamond'
The legendary Archduke Joseph mega diamond goes under hammer
Christie’s auctions 76.02 carat Archduke Joseph diamond Archduke Joseph gem to fetch at least $15m at Christie’s auction Archduke Joseph,