What is a cushion stud?

A cushion stud is a stud earring that features a cushion-cut gemstone, often a diamond. The cut gives a gemstone a square shape with softly rounded corners. As a brilliant cut, it brings out the sparkle of gemstones, and it has a rich history dating back to the 18th century. Find a diverse assortment of gemstone stud earrings on 1stDibs.