Featured in this lot is this color change alexandrite and diamond, 18k white gold ring with GIA and AIG paperwork. The ring shows an 18k white gold, ladies custom made ring with a center stone of natural, brilliant step cut, color change alexandrite. The color quality of the alexandrite changes from a fine yellowish green to brownish yellow and the stone weighs 1.44 carats. The ring shows a halo decoration of 104 natural round brilliant cut diamonds, with some set into the shoulders; the diamonds have an overall weight of 0.38 carats and show a G - H color quality and SI-1 to I-1 clarity. This is an extremely rare natural alexandrite stone. The piece comes complete with AIG (American International Gemologists, a GIA certified lab AIG Appraisal Number#: 000720080009) report and appraisal, confirming the above info and giving a total value of $13,000.00. GIA (Gemological Institute of America) Alexandrite Grading Report#: 5192719566. The ring size is US 61/4.