Important 32.53 carats fancy vivid yellow diamond pendent necklace. Sold 1,337,000 CHF at Sotheby's Geneva, 14 november 2007, lot 309B. 

The fancy vivid yellow cut-cornered rectangular mixed-cut diamond weighing 32.53 carats suspended from a necklace set with brilliant- and step-cut diamonds, the clasp decorated with marquise-shaped stones, mounted in platinum and yellow gold, length approximately 440mm. 

Accompanied by GIA report no. 12472093 stating that the diamond is Fancy Vivid Yellow, Natural Colour, Internally Flawless.