This is a women's size 8 blue sapphire and sterling ring marked BBJ (Bangkok Ratnaraj Jewelers).
The ring is sterling silver with a single oval blue sapphire and clear rhinestones.
This ring band measures about 1.4 mm wide and 0.6 mm thick, and the gemstones measure 6.7 mm x 5.1 mm. The ring weighs 4.1 grams.
The ring is in very good pre-owned condition.