Gold, Blue Topaz, and Diamond Ring

Ring with demilune cut blue topaz (13 x 7.8 mm) and with half halo of full cut round diamond melee, stamped 750 and with maker's mark.

10.4 x 21.2mm; Ring size 6.25

6.8 dwt.

Topaz with chips, nicks, and scratches visible under 10x magnification.