Autre Marque Antique square ring in gold and diamonds Golden

Cocktail ring paved with natural diamonds 0.40 total carats approximately years 1980.
yellow and white gold 10 carat
Registration 10k and punch
25 central square diamonds of approx. 0.28 total cts approx. H-I I
8 round brilliant diamonds Total approx. 0.12 cts H-I I
Weight 3.5 g
Center width 1 cm
Ring size corresponds to 55
inside diameter 1.735 cm
With blue box