The Bling of Rarity: What's Behind the Sky High Price of the 'Ocean Dream' Diamond? The sale of the "Ocean Dream" diamond for $17.
3 million at auction has sparked questions about what drives collectors to pay such high prices for rare, colored diamonds. As the largest fancy vivid blue green diamond known to exist, this 5.
5 carat triangular cut gem is exceptional. Its rarity is a significant factor in its allure. Only a small percentage of mined diamonds exhibit vibrant colors, making the "Ocean Dream" an anomaly.