Sotheby's Unveils a 'Perfect' 100+ Carat Diamond in New York

Sotheby's jewelry specialist Joanna Gong holds a 'Perfect' 100+ Carat Diamond that Sotheby's unveils on Wednesday, September 9, 2020 in New York City. Only seven other D colour Internally Flawless or Flawless white diamonds over 100 carats have been sold at auction, making this the eighth. Photo by John Angelillo/UPI