Carat vs Karat Gold: Gold, a precious metal known for its shine and malleability, has been valued for centuries. Its resistance to tarnish makes it ideal for jewellery. The purity of gold is measured ...
“The Mediterranean Blue” is 10.3-carat fancy vivid blue diamond with a VS2 clarity grade. It's the highlight of Sotheby's High Jewelry sale in Geneva. Fancy vivid blue diamonds of more than 10 carats ...
“The Mediterranean Blue,” a 10.3-carat fancy vivid blue diamond, sold for $21.5 million during Sotheby’s sale of high jewelry in Geneva on Tuesday. It was not only the top lot of the sale, but it was ...