The auction included a group of 15 Suzanne Belperrone jewels that fetched $3.6 million and 16 jewels from interior designer, ...

It was the disappearance of one piece in particular that caused consternation, however: a rare 50-carat blue diamond the size of an egg. Only about 1 in 10,000 diamonds has a distinct body colour ...

"The diamonds can range from clear to very deep blue," Martoia said. "The more boron, the deeper the blue." She added that it's impossible to predict the exact color a memorial diamond will take on.

A diamond necklace from Blue Nile is not only ... $680 at Blue Nile Blue Nile Tri-Color Love Knot Pendant With Freshwater Cultured Pearl In 14k White, Yellow And Rose Gold This unique statement ...

A striking colored-diamond ring is the star of Christie’s upcoming jewelry sale. The 5.7-carat fancy intense blue diamond ring leads the auction house’s Magnificent Jewels auction with an ...

The scarcity and value of blue diamonds is in part down to the fact so few places in the world mine for them. The stones get their colour when the chemical boron is present during formation.