Red diamond
Notable red diamonds

Red Diamond
Weight (carat)
Notability
Moussaieff Red Diamond
5.11
Largest red diamond in the world, discovered in the 1990s by a Brazilian farmer in the Abaetezinho River
Kazanjian Red Diamond
5.05
Second largest red diamond in the world
DeYoung Red Diamond
5.03
Acquired at an estate sale by Sydney de Young where it was sold as a garnet hat pin
Hancock Red
-
Purchased by Montana rancher Warren Hancock in the 1950s and sold for a 6500% profit in 1987
Rob Red
-
The purest red diamond measured visually and instrumentally to date in the world
Supreme Purple Star
-
From one angle, it appears to have a deep purple color, when the diamond is rotated in the light, it looks purplish red

Question: What is the largest red diamond in the world and what does it weigh?
Answer: The largest red diamond in the world is the Moussaieff Red Diamond, which weighs 5.11 carats.