• 18K REAL PLATINUM FILLED WITH 925This Jewelry gifts for women is 18k real platinum filled, 925 sterling silver base. The HOARITIK moissanite necklace platinum filled is made up to 5X more 18 karat real platinum plating than standard electroplated fashion jewelry. This way can extend the appearance of this type of jewelry, so it can still function for a long time. This womens necklaces will not make your skin green or red.allergies/irritation/hypoallergenic free.