Marquise diamonds are considered a symbol of vintage glamour. Landau explains that a marquise diamond is “shaped like a ...

We spoke with Olivia Landau, a fourth-generation GIA-certified gemologist and founder ... Diamonds come in a variety of shapes, from oval to marquise, and each offers its own unique set of ...

It’s February and love is in the air. As hearts flutter with the rush of Valentine’s Day, some lucky souls may find it the ...

Taking inspiration from the Royal Family, we've uncovered the best engagement rings to buy this Valentine's Day.

There’s been a rapid rise in brides saying “yes” to the lab-grown diamond—here, one writer wades into the debate.

She's a professional with 10 years of experience in the field, who graduated from GIA as a gemologist in 2014. Before starting her own fine jewellery brand, she worked with star-studded jewellery ...

The Oval Office is the president's formal work space. The office's oval shape was inspired by the shape of the Blue Room on the first floor, according to the White House Historical Association.

The results must be accurate and reproducible regardless of the diamond’s color, fluorescence characteristics, size, or shape. GIA ensures alignment across the many colorimeters at each laboratory ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...