A pre-owned sapphire and diamond dress ring set with a principal rectangular shaped cut cornered, step cut yellow sapphire, measuring approx. 7.80mm x 6.00mm x 3.63mm deep, within a millegrain border and flanked to each side by three round brilliant cut diamonds, measuring approx. 2.40mm-2.20mm diameter, grain set within square shaped millegrain borders, tapering side and plain polished "D" shaped cross section shank.  
 
Calculated/estimted sapphire weight 1.83ct, assessed colour vivid yellow, assessed clarity moderately included.  Estimated total diamond weight of the six side diamonds 0.32ct, assessed colour G/H, assessed clarity SI2-I1. 
 
Gross item weight 4.51gms.  Finger size 6.5 (US/Canada), N (UK/Australia) with some resizing possible.  We have had this ring hallmarked 950 grade platinum London 2020.  Also stamped PLAT.