Measuring approx. 13mm at widest, centering an Old European cut diamond weighing approx. 0.30ct., flanked by two light yellow Old European cut diamonds weighing approx. 0.60ctw. Further flanked by ten round diamonds (five Old European cut and five Single cut) weighing approx. 0.40ctw., fashioned in 14k white and yellow gold. Stamped "LAMBERT" (partially obscured). Size 7 1/4.