diamond
Christie’s Hong Kong auction sets two records
At Christie’s May 27 Hong Kong auction, this 6.13-carat cushion-shaped fancy intense green diamond ring set a worl...
Argyle Finds Three Ultra-Rare Red Diamonds
Argyle announced that it will feature three ultra-rare red diamonds in its upcoming Pink Diamond Tender—the mos...
Blue diamond sets world auction record
London--A 5.30-carat fancy deep-blue diamond set a world auction record for price per carat when it sold for approxim...