10K yellow gold cocktail ring. Features 5 blue/purple tourmaline marquise cut gemstones in various sizes.
This was tested using the Presidium Gem Tester II and it the needle fell in the garnet/tourmaline/iolite section. Likely purchased from the Home Shopping Network (HSN).
Size: 5.5
Marked: Marked A inside an octagon shape with a diamond shape and 10K.
Total weight: approximately 3.6 grams