Description Dazzle with diamond simulants! This necklace features diamond simulants, which are crystals that have been engineered to closely resemble the depth, colour and clarity of true diamonds. The design boasts classic 1920s styling. Elegant and timeless, dress it up or down! Dazzle with diamond simulants! This necklace features diamond simulants, which are crystals that have been engineered to closely resemble the depth, colour and clarity of true diamonds. The design boasts classic 1920s styling. Elegant and timeless, dress it up or down!