You'll love the sweet and dancing sparkle of this lab-grown diamond heart pendant. 10k yellow gold a 1/2 ct. Lab-grown diamond dangle shimmers atop a sunburst background smaller lab-grown diamonds line the border and bail lab-grown diamonds; f colour/vs2 clarity 3/4 ct. T. W. Of lab-grown diamonds 16. 0- to 18. 0-inch adjustable cable chain; spring-ring clasp