This freshwater cultured pearl and lab-grown diamond accent "y" drop necklace dresses up your look with easy elegance. 10k yellow gold 5. 0mm freshwater cultured pearl lab-grown diamond; f colour/vs2 clarity 16. 25- to 18. 25-inch adjustable cable chain necklace; spring-ring clasp from the whimly by zales collection, available exclusively at zales