Inspired by the awe-striking treasure from the Titanic, this Heart of the Ocean pendant is a mesmerizing treasure every girl must own. Crafted from sterling silver, this beauty features a 14 millimeter heart shaped lab-created blue sapphire bordered by one 1.8 millimeter lab-created white sapphire and twenty-five 2 millimeter round lab-created white sapphires.18 inch sterling silver box chain | Heart of the Ocean Pendant Necklace | Sterling Silver | White | Size 18" | Helzberg Diamonds