This quality ring is marked 18k and is solid yellow gold with a white gold top that holds the pav'e round natural diamonds. The 36 round brilliant cut natural diamonds have an approx total weight of 1.00 cts. The diamonds range from VS1 TO VS2 and G to H in color. At the top, the ring measures 7/16" from North to South. The ring wears to a size 7 and can be resized.