This Initial M pendant is made with 925 Sterling Silver & Lab Grown Diamonds. This product is available in size 16 inches. The product has a length of 0.39, width of 0.4. (All in inches. Subject to minor differences) It is made in prong setting. It is plated with white rhodium.Our jewelry is allergy free and perfectly safe to wear without irritation to the skin.It is an ideal gift for a Birthday, Anniversary, Mother's Day, Graduation, or any special occasion; Can be used for party wear, daily wear, and casual wear.With our choice of Lab Grown Diamonds, we are contributing to minimum environmental impact and optimum use of ethical practices. When you purchase our product, you are assured a well crafted and eco-friendly product.