Each heart is crafted from top quality gemstones. Each piece is about 1" + (30 mm) in size. Each heart is unique so do expect some variance in size and shape from piece to piece. Some of the hearts will have considerable color variation from item to item - most noticeable on stones like Mookaite, Amethyst, almost all the Jaspers, Fluorite, Dendrite Agate, Green Aventurine, Orange Calcite, Sodalite, etc. Posted main pictures demonstrate some of the wide range of shades these hearts can come in. Individual pictures show an example which may not be typical due to range of variance of many stones. About Crystal Hearts: These pieces are carved from a very wide range of minerals, crystals, and gemstones that are found in nature - and an odd few that are man made. They are perfect for not only relationships (old and new!) but also self love. Many Keep them at home and at work and also carry them with them throughout the day - just looking at them and feeling their energy can make you feel better! Great for both chakra work and meditation, hearts help you to focus not only on your emotions but also on your thoughts - they bring calmness and serenity - healing benefits indeed!