Thank you for submitting your item for appraisal. The ring appears in solid white metal with an emerald sourranded by diamonds. The ring is hallmarked as platinum 900 and there is also inscriptions regarding the stone weights. The emerald is 3.19ct, step cut (emerald cut) and it is in a vivid green color. It has some visible inclusion typical of the natural stones. Observing the photos the quality of the stone is high. Around the main stone there is a small line of round brilliant and tapper cut diamonds, all prong set, for a total weight of 0.35ct. The diamonds are almost colorless, approximated G color and VS clarity. The style of the item is similar to '60-'70 European jewelry.
Feel free to contact me if you have further questions or concerns. Thank you