Featuring a soft ombrã©, this pink sapphire and lab-grown diamond necklace adds a dreamy dose of color to your look. Sterling silver with 18k yellow gold plate 2. 3mm light and dark pink sapphires lab-grown diamonds; f colour/vs2 clarity 1/5 ct. T. W. Of lab-grown diamonds 16. 0- to 18. 0-inch adjustable cable chain necklace; spring-ring clasp from the whimly by zales collection, available exclusively at zales