Antique French Diamond ring with +2 ct of Old-Cuts, 18K and Platinum

Here we have a fiery French stunner with a bouquet of antique old-cut diamonds in a mix of nuances. It has four large stones at the center, with four accenting smaller ones, and a frame with 12 triangles each containing a small sparkler, too. All is set in Platinum and 18K white gold with the proper hallmarks to the shank.
Has just been professionally cleaned and is ready to sparkle for a new decade!
 
The four largest center stones are; 5.50, 5.30, 5.25 mm, and 4.65 mm with a conservatively estimated total of 1.9 ct – in the range from J to M-N and VS2 to P1. All but one is eye-clean. 
The four medium accenting stones are;  2.6, 2 x 2.5, and 2.35mm with an estimated total of 0.23 ct. The frame has 12 diamonds in the range from 1.6 and 1.8 mm with a total of apx 0.20 ct
France c. 1925
sz 8.5 and resizeable
Apx 2.33 ct of diamonds, total
5.65 grams
18K white gold and Platinum
French hallmarks
Excellent antique condition