Classic Design, Sweetheart Worthy! Linked to a single bale is a sparkling pink sapphire secured in a four-prong setting. This solitaire sapphire pendant has a simple classic design that draws all attention toward its vibrant pink hue. Stone: Pink Sapphire Metal: Sterling Silver Length: Chain 20" Length: Pendant: 13.5mm with bale Weight: 2 ct Gift Boxed Only One Available RETAIL PRICE: $218.26 FREE Shipping via USPS in 2 - 7 Days Sapphire is a precious gemstone formed from a mineral called corundum. Pink is one of the rarest sapphire colors, caused by chromium trace elements inside the corundum crystal. The deeper the pink, the more chromium is present. Red corundum, however, is called ruby, another gem variety of the same mineral.