In general, all are less challenging than diamond. Moissanite really has a better refractive index than diamond, and when introduced beside an equivalently sized and Lower diamond will clearly show much more "fireplace". As an example, a semi-precious gemstone like aquamarine will be less expensive than a precious gemstone like https://certified-gemstones61479.idblogz.com/27287502/who-can-wear-blue-sapphire-fundamentals-explained