New Floral Phantom Butterfly Necklace, High-End Imitation Diamonds Reflecting Genuine Love. The elegant butterfly phantom diamond necklace depicts the graceful outline of a butterfly, with shimmering pave diamonds tracing the lines of its wings. The pave diamonds intertwine to form a second butterfly at the center.The two-layer craftsmanship of the diamond setting adds a three-dimensional quality to the jewelry.Butterflies have always played a significant role in the history of Graff, inspiring countless designs. The Butterfly Phantom Collection introduces the latest designs adorned with the classic Graff butterfly motif.