The product is a vintage 10k gold ring featuring a lab-created synthetic ruby in a rectangular shape with a total carat weight of 3ct. The ring is signed and has an excellent cut grade, with a prong setting style and a band width of 1.5mm. 

Details:

Metal: 10k gold Stamped 

Item Weight: 2.27g

Stone: 8mm by 10mm 3ct Synthetic Ruby(tested)

Ring Size 7