#1 MOUSSAIEFF RED
World’s most popular red colored diamonds is the Moussaieff Red, a 5.11-carat ruby-red diamond making it the largest red colored diamond in the world.
#2 KAZANJIAN RED
The second largest red diamond is simply known as Red Diamond or the Kazanjian Red and is an emerald cut weighing 5.05 carats. Its current location is unknown.
#3 DE YOUNG RED
Another famous diamond is the De Young Red, a 5.03-carat round brilliant that is the third largest red diamond in the world. The De Young Red is on display at the Smithsonian Museum in Washington, DC. At one time it was mistakenly sold as a red garnet because the stone’s subtle brown hue give it an appearance more like a garnet than a rare red colored diamond.
#4 HANCOCK RED
The Hancock (Halphen) Red is an extraordinary deep ruby red making it exceptional among the reds even though it is smaller in carat weight at 0.95-carats. The Hancock Red, named after its owner Warren Hancock. .