0.42 Ctw Princess & Round Diamond 10KT Yellow Gold Square Halo Stud Earrings ZEI. These earrings each have an approximate length of 7.3mm.

Estate Solitaire 0.44 Ctw Round Cut Diamond 14KT White Gold 4.6mm Stud Earrings. These earrings each have an approximate width of 4.6mm. One of the earring backs is made with 10KT white gold and the other is made with 925 sterling silver.

Estate 7/8 CT. T.W. Round Diamond Solitaire Stud Earrings in 14K White Gold. These earrings come with 14KT white gold earring backs. 

14KT White Gold 3/4 CT.T.W Round Diamond SI1 H Classic Solitaire Stud Earrings

1/4 CT. T.W. Diamond Solitaire Stud Earrings in 14K White Gold Women's Classic. Featuring two round brilliant diamonds with a total approximate diamond carat weight of 1/4 cttw.

5/8 CT. T.W. Round Diamond Solitaire Stud Earrings in 14K White Gold SI2/I1 I/J 

1/3 CT. Round Diamond Solitaire Earrings in 14KT White Gold SI2/I1 I to J 0.46g