Centered on an oval cut blue topaz (19.4 x 14.6 x 9.3 mm) weighing approximately 18.0 carats within a halo of full cut round diamonds weighing approximately .60 total carat (I-J color, SI1-SI2 clarity), stamped 14K.

24.3mm; Ring size 5.25

7.5 dwt.

Topaz displays a greenish blue hue, medium tone, and moderately strong saturation.

the Mary Cassavant Estate

Good estate condition.