14KT White Gold Square Cluster 1.00 ctw Round Diamond Halo Engagement Ring 4.2g. This ring is a size 6 3/4.

1.74 ctw Round Diamond Double Halo 14KT White Gold Engagement Ring Size 9 3/4

Women's Estate Platinum 1.0 ctw Round Diamond Halo 9.2mm Engagement Ring 3.3g. This ring is a size 5 1/4. 

Women's 0.70 ctw Round Diamond Double Halo Cluster Engagement Ring In 10KT Gold. This ring is a size 6 3/4.

Women's 0.55 ctw Round Diamond Semi Halo Estate 14KT White Gold Wedding Ring Set. Bands are soldered together. This ring is a size 6 3/4.