For your consideration, a very vintage 10K red glass ring. This beautiful piece is 10K and hallmarked and guaranteed to be such. Also, there is a maker's mark of "RS". The red solitaire stone is emerald cut glass which was popular in the 30s and 40s. The stone measures 10mm x 8mm and is set in a scroll setting on all four sides. This fabulous ring is a size 5 3/4 and weighs in a at 4.28 grams. It is one fabulous vintage ring with lots of history yet to made!