Ruby Heart and Diamond Necklace14k yellow gold and white diamond necklace with a heart shaped natural, untreated ruby center, . 40 total carat weight on a 16 inch chain. Simple yet meaningful, give a gift from the heart. Online Exclusive. Final sale. Ruby is a high energy stone which is a type of sapphire. It is used to amplify energy and increase chi or prana. In this way it is considered a boost to Earth healing. It is also a stone that may bring a sense of adventurer to the