Normally, all are significantly less hard than diamond. Moissanite basically has a better refractive index than diamond, and when presented beside an equivalently sized and Slash diamond will show far more "fire". Since you'll find many color versions in coloured gems, We've got structured this list about "foundation" colors or https://gemstonesandtheirmeanings63963.blogocial.com/the-definitive-guide-to-gemstones-for-sale-south-africa-66496873