Featured in this lot is this RARE unheat treated 1.67ct sapphire VS2 diamond ring with GIA and AIGL paperwork. The ring is polished, stamped, and tested platinum ring that is marked as follows: Oscar Freidman - PT950. The ring features a center stone of natural pentagonal sapphire that is step cut and measures 8.43 x 5.97 x 4.28mm and shows a color of Yellow-Green and is transparent with a total weight of 1.67ct. The center stone is decorated with a total of 41 round brilliant cut diamonds that measure 1.3 to 1.8mm and are VS2 - SI1 with a color gradient of G to H and a total diamond weight of 0.60ct. The piece comes complete with AIGL Inc.(American International Gemological Laboratories, Inc. a GIA certified lab AIGL#: K64E98-EA18799) report and appraisal confirming the above info and giving a total value of $21,118.00. GIA (Gemological Institute of America) Sapphire Grading Report#: 6224857874 K64E98