19th Century Russian Diamond Ring

Ladies’ 19th century Russian 18k gold vintage diamond engagement ring, with one J color, SI1 clarity, table cut diamond. The diamond weighs approximately 3.05 carats, measures 7.28 mm wide by 8.86 mm long by 5.89 mm deep, and is bezel set in platinum. In addition, there are thirty-eight prong set single cut diamonds, measuring 1.5 mm wide.