Tianyu Factory Wholesale D E F VVS VS 3EX IGI Certified Loose Synthetic HPHT Lab Grown CVD Diamond 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