The main center cushion modified brilliant diamond has a GIA Lab report, #16889346, grading H color, SI2 Clarity and is set in a classic ring with 14 pavé diamonds on the shank approx. .14tcw. and stamped 18K and has a Platinum head.
14K White Gold .60ct Princess Cut Diamond Ring w/ 6prin= .50tw & 16rb= .16tw, 5.8g, s7.25
Platinum Art Deco Diamond Ring .64ct OEC Diamond & .22tw side dia, 5.7g, s6.75
Platinum Art Deco Ring Set 2.57ct Round Blue Sapphire & 1.80tw OEC Diamonds, s6.5
Platinum Art Deco .79ct OEC Ring with .36tcw side diamonds, c1930's, s6.5