Featured in this lot is this 4.28ct tanzanite VS2 diamond platinum ring with GIA and GGA paperwork. The ring is polished, stamped, and tested platinum construction that is marked as follows: Oscar Friedman - PT900. The ring features a center stone is a cushion brilliant cut tanzanite gemstone that shows measurements of 11.85 x 7.76 x 5.31mm with clarity of Type I and shows a violet coloration and a total weight of 4.28ct. The center stone and pave set shoulders feature a total of 104 round brilliant cut diamonds with measurements of 1.9 x 1.2mm with a clarity of VS1 to VS2 and coloration of F to G and a total diamond weight of 1.23ct. The piece comes complete with GGA(GemAssure Gemological Appraisals, GGA Appraisal Number#: GGA075010 and trace number: RN039690) report and appraisal confirming the above info and giving a total value of $28,730.00. GIA (Gemological Institute of America) Tanzanite Grading Report#: 2233528522. The ring size is US 6 1/2. K81E28