This is a AAA color Tanzanite 18K diamond ring with IAS paperwork. The center stonehas a weight of 4.61 carats with a wonderful oval cut and fine dark blue - purplish AAA color. The ring exhibits a OSCAR FRIEDMAN 18K hallmark and is crafted from 18 karat white gold and additionally set with 0.52 carats of natural diamonds with high VS1-VS2 clarity and G-H color. Accompanied with IAS (Independent Appraisals Services, a GIA Certified Gemologist, appraisal report: 51321EW) which confirms the above info and gives a value of $10,740.00. The ring is in brand new condition with a weight of 4.5 grams in 18K gold including 5.13 carats of stones. Size 6.5 US.