The Mellon Blue Diamond. Sold for $32,645,000... View this post on Instagram The Mellon Blue Diamond. Sold for $32,645,000. #DiamondClub & #GemClub #Appraiser #Appraisal #Diamond #Gemstones #Jewelry #Watch #Antiques #Pearl #Ruby #Sapphire #Emerald #Gold #Silver #Platinum #Palladium #Luxury #Earrings #Ring #Bracelet #Pendant #Necklace #Brooch #Wedding #Anniversary #Valentine A post shared by Farshid Roshanravan (@diamondclub.us) on Oct 20, 2018 at 2:58pm PDT