Art Deco 18k yellow gold and diamond plaque ring

An Art Deco 18k yellow gold and diamond plaque ring - a pierced and fretted lozenge shaped plaque set with 19 single cut diamonds in platinum on an 18k yellow gold shank - Diamonds 19 = 0.45cts approx - overall weight 2.5grms - dimensions of face 15mm x 9mm - current ring size N (USA 6 1/2) - please enquire to resize - c.1920 Europe