NSC570 Made with Genuine 1st Quality Swarovski Jet and Black Diamond Crystals with black Crystals Cross Pendant! We have handcrafted each Necklace using our own original designs. All of our designs are based on beautiful and unique Vintage Style Jewelry from many different eras. We always use the finest quality of Crystals and componentsMaterial Used: Genuine Swarovski Jet and Black Diamond Crystals 4mm bicone and 8mm jet Crystals holding cross PendantNecklace Length: 16 inches with extension 2 inches have lobster clasp for adjustmentsPendant : Jet Crystals 3/4 inch longGuarantee: 100% Satisfaction for Material & Workmanship used in making ths Jewelry We can make matching Earrings/Bracelet and/or CUSTOMIZE the Jewelry per your style, color choices