Art Deco Loop Brooche 950 Platinum around 1930...elegance and joie de vivre

..a magnificent epoch was Art Déco...elegance and joie de vivre, an expressive fashion, in which black velvet could also unfold its effect, here we have a loop brooch original around 1930, in 950 platinum with 75 diamonds total approx. 0.77 ct, W (white G) / VS-SI, old cut and diamond roses, in the middle a movable flower rosette with 2 decorative strips on the side, border in the form of a bow, on the back a black velvet ribbon was pushed under a grid-shaped lower frame (replaceable), pin with safety device, very good condition, dimensions the brooch approx. 50 x 17 x 9 mm, weighs approx. 9.50 grams, privately owned