Featured in this lot is this 4.03 trillion tanzanite and diamond, 18k white gold ring with AIGL paperwork. The ring shows a polished, stamped, and tested 18k white gold ring with a bright finish and the 'Orianne' hallmark with a 18k stamp next to it. The canter stone shows a trillion triangular cut tanzanite gemstone with measurements of 10.7mm x 10.3mm, bluish violet coloration, a very good cut grade, and a total weight of 4.03 carats. The center stone is decorated by a halo setting with a total of 21 round brilliant cut diamonds showing measurements of 1.5mm - 1.8mm, coloration of G – H, clarity of VS2 - SI1, and a total weight of 0.39 carats. The piece comes complete with AIGL Inc. (American International Gemological Laboratories, Inc. a GIA certified lab AIGL#: K36E11-EA15906) report and appraisal, confirming the above info and giving a total value of $9,208.00. The ring size is US 7 1/4.