Aquamarine Graduated with Sterling Silver Clasp Strand Necklace, 18" Sterling Silver Graduated Strand necklace featuring genuine Aquamarine gemstones graduating from 6mm to 12mm in size Sterling Silver Lobster-claw clasp with a 2 inch Sterling Silver chain extender The natural properties of the Aquamarine define the unique beauty of each piece. The image may show slight differences to the actual in color and shape.