1.96 Ruby & Heart Diamond Drop Stud Earrings 18kThese drop stud earrings are made from 18 karat white gold and feature heart cut diamonds totaling . 35 carats paired with oval cut rubies totaling 1. 96 carats. Each earring has a heart shaped diamond set in a four prong basket at the top, with an oval ruby hanging below. The rubies display a deep, fiery red color that creates strong contrast against the white gold. The heart cut gives the diamonds a romantic shape while still producing good sparkle