142 - 5.23 Carat Princess Cut Diamond Solitaire Engagement Ring set in a Platinum Band with Two (2) Brilliant Cut Side Stone Accents Not Counted in Diamond Weight. Accompanied by a GIA Certification Dated June 21st 2010 Stating that The Diamond Weighs 5.23 Carats, Measures 10.02 by 9.93 by 6.02mm, J Color, SI2 Clarity. Ring Size. The Original GIA Certificate Goes to the High Bidder after the Auction, Copies of the Cert on Request. Shipping $20.00 (estimate $40,000-$50,000)