A Pair of Platinum, Tanzanite and Diamond Earclips, Van Cleef & Arpels, containing one oval mixed cut tanzanite weighing approximately 3.93 carats total, one oval tanzanite weighing approximately 3.39 carats total, and 24 round brilliant cut diamonds weighing approximately 1.79 carats total.Stamp: Van Cleef & Arpels SU0236 PT 950 (maker's mark).Accompanied by a AGTA Gemological Testing Center tanzanite identification certification number 92011206, dated February 28, 2003, stating Species: Natural Zoisite, Variety: Tanzanite, Weight: 3.93 and 3.39 carats, Enhancement: Heat. 6.30 dwts.