This is an estate diamond ring in platinum and 18 karat yellow gold. This ring features one GIA certified radiant cut yellow diamond weighing 1.72ctw, FIY color and SI1 clarity flanked by 2 trapezoid diamonds weighing 0.52ctw, F-G color and VS1 clarity. The center diamonds are surrounded by round brilliant cut diamonds weighing 0.80ctw. The ring is a size 6.25 and the weight is 4 dwt. Hallmarks: Plat 18K, 16229.