These are our "best value priced" diamond earrings. SI clarity indicates diamonds with imperfections so small that they are not visible to the naked eye. This quality diamond is the most popular and best selling diamond grade. It is always in short supply because the vast majority of buyers recognize it's superior value. The SI clarity is a step-up in quality from the I1 clarity and it is our best choice for those seeking the best price for an eye clean diamond.