Item: Vintage 10K Gold Red Spinel Dainty Ladies Signet Ring. This is stamped 10K gold. The stone was tested using a Presidium Gemstone tester. 
 
Measurements: Size 6.75. It weighs 1.46 grams.
 
Condition: Vintage, previously owned. There is no damage to note. There are only very minor signs of age/use/patina.