Today for sale we have a 14k White Gold With 3.57Ct Round Precisioncut AA Ceylon Color Blue Sapphire. This is a size 7 3/4 Ring. Brand new never used. It has 21 3.25mm Prong set stones. It was also rhodiumed. Listed below are the specs of the stones. If you have any questions please feel free to email me, I respond quick! 
Gemstone Quality:AA
Gemstone Quality Description:Medium light to medium blue; little or no color zoning; eye clean; excellent brilliance; excellent cut; excellent polish
Stone Enhancement Code:H
Stone Hardness:9
Gem Species:Corundum
Stone RI:1.762-1.77
Stone Specific Gravity:4.00
Stone Optic Character:DR
Stone Phenomena:Asterism, Color Change, Chatoyancy (very rare)