An oval shape sapphire and round brilliant-cut diamond halo ring with a split shank, set in 18K white gold. 
Tenenbaum Collection
Sapphire: 5.85 total carat weight, GIA: 5234315127
Origin: Sri Lanka, Heat treated 
Round brilliant-cut diamonds: 0.85 total carat weight, G-H color, VS1-VS2 clarity 
Size: 6.50 - alterable