Ekspert i Modelbiler
Blå Tanzanit - 19.89 ct - International Gemological Institute (IGI)
Blå Tanzanit - 27.81 ct - Lotus Gemology - No Heat royalblå farve
Blå Tanzanit - 27.22 ct - Gemological Institute of America (GIA)
Blå Tanzanit - 22.58 ct - Gemological Institute of America (GIA)