A 6.24-carat fancy deep blue diamond, was purchased by Moussaieff Jewellers for $12.7 million. 21 jewels by JAR Fetched $7.1 Million at Christie’s Geneva Jewelry Auction ...

A new international study led by researchers at the Guangzhou Institute of Geochemistry in China has uncovered how carbon ...

“We have been seeing thicker gold bands and diamond cuts like marquise and pear shapes become increasingly ... because they are deep [stones], they always look visually smaller than any of ...