The previous record price for a fancy light pink diamond was $7.5 million for a 40.3-carat VVS2 pear-shaped diamond, which was sold at Sotheby’s Geneva in November 2016. The night was equally ...

A 1.71-carat heart-shaped fancy red diamond with SI2 clarity surrounded by white diamonds and mounted on an 18k white and pink gold pendant for a necklace. Its estimate is $2.5 million - $3.5 million.