"Tank Ring Rose Gold Diamonds Circa 1940"
Tank ring in pink gold period 1940. Model "knot". Set with a 0.40 carat extra white old cut central diamond. 12 old cut diamonds weighing 0.12 carats, 12 "Verneuil" type synthetic rubies. Finger circumference 51. US 5.7 or 16.2 .. Size adjustment possible. Weight 10.30 grs.