One Gallon of amazing cleaner contains 100% biodegradable cleaning agents plus banana and coconut oil. The cleaner rinses film free! This is what brings out 100% more sparkle, color and brilliance to your diamonds, cubic zirconia's, tanzanite, sapphires, emeralds, ruby, lab grown gems, etc. Opals radiate more fire; pearls impart more luster. It is mild enough for pearls, yet powerful enough to bring back that "brand new look" to all of your jewelry.