Diamond Accent Heart "Mother and Child" Pendant Necklace, 18" Necklace Measurements: Length- 18" (457.2mm), Width- .75" (19.05mm) Made out of 925 Sterling Silver, is Rhodium Plated, and has a real Diamond (0.01ct). Comes with a certificate of authenticity for your convenience. 18" Sterling Silver Chain Included. Comes with a FREE beautiful and unique jewelry box.