14KY HALO E-W FREEFORM BOULDER OPAL RING DIAMONDS, FREEFORM AUSTRALIAN BOULDER OPAL CNTR, DARK BLUE-GREEN COLORS 33 RBC DIAS IN HALO, 33=0.19CT. RING IS 19.14X10.43MM AT TOP, 2.3X1.1MM AT BASE OF SHANK. 3.7DWT