Centering on an oval cut London blue topaz (15.9 x 12.0 x 8.2 mm) weighing approximately 10.50 carats prong set within a halo of full cut round diamonds weighing approximately .60 total carat (G-H color, SI clarity), stamped 14K and with partial mark.

18.8mm; Ring size 7

5.8 dwt.

Good estate condition.