Tianyu Wholesale 1ct 2ct 3ct DEF GH Loose White Round HPHT/CVD Lab Grown Diamond With IGI Certificate 1.Firstly, put the HPHT diamond in to a Plastic vacuum bag. 2.Packed with Polyethlyene Bag and Soft Paper. 3.Put some bubble paper into the carton box for proteciting stones. 3.As customer requested