Nano Emeralds are created gemstones and are not fragile like Emeralds, instead they share similarities with spinel and have a hardness like quartz; they are perfect Bling for daily wear Silvershake’s classic sterling silver rings; only the most popular, timeless designs and models of the highest standard and quality in gemstone jewelry We ship Silvershake Petite 5MM Round Green Nano Emerald & White CZ 925 Sterling Silver Ring in anti-tarnish protection, reinforced gift boxes with satin-style pouch with a guarantee period far-exceeding our competitors Created gems are simulated not synthetic; they make excellent and very affordable alternatives, they are not mined, have a smaller carbon footprint and are more environmentally friendly