14k your choice of gold diamond contour band. 
 
Specifications
Weight:    1.5147 DWT (2.36 grams)
Approx. Shoulder Width:    2.2 mm
Approx. Finger Size:    7
Approx. Top Height:    2.27 mm
Material:    Gold
Selling Unit of Measure:    EA
Ring Fit:    Standard
Approx. Shank Base Thickness:    1.7 mm
Approx. Shank Base Width:    2.2 mm
Surface Finish:    Polished
Primary Stone Shape:    N/A
Diamond Color:    G-H
Approx. Top Dimensions:    10.87 mmx5.2 mm
Diamond Clarity:    SI2-SI3
Primary Stone Type:    Natural Diamond
Total Diamond Carat Weight:    0.07 CTW
 
Comes Set With
Quantity    Stone
4    01.00 MM (00.95 - 01.05) Faceted, SI2-SI3 ROUND FACETED GH GENUINE BOM DIAMOND
5    01.30 MM (01.24 - 01.40) Full Cut, SI2-SI3 ROUND FULL CUT G-H GENUINE DIAMOND