Monica Rich Kosann's lockets are designed with the idea that its the thought that counts. Engrave a message in your own handwriting to truly solidify a heartfelt message -- contact customer care for more information. Engrave a message in your own handwriting. Lobster clasp closure. 18K Yellow Gold, Turquoise. Made in USA. Please note the possibility of natural inclusions in gemstones. If you would like to consult with a fine jewelry expert please email Jules Smith.