18k yellow gold with pave set diamonds.N. 76 diamonds, round shape, brilliant cut, approx. 1.80 ct, H, SIN. 91 diamonds, trapezoidal shape, tapered cut, approx. 2.80 ct, H-I, VS.IT size 18 - US size 8 1/2. Weight: 15.7 g. Item condition grading: **** good.Minor wear and tear from general usage, no damage. Apparently not hallmarked, verified with xrf spectrometer, is guaranteed to be gold at approximate finess of 18k.