This gorgeous vintage tank ring c. 1940s is crafted from 14k yellow gold and features square calibre cut lab created rubies and rose cut diamonds. This ring is made in a very classic French Tank style, however there are no hallmarks present, so we are not able to verify this. Because French hallmarks are located on the bottom outside of the band, it is possible that they were removed at some point during sizing. This sensational ring weighs 6.7 grams and makes quite the statement, measuring 19.2mm x 10.3mm, and rising 8.7mm from the top of the finger. It is currently a size 8 and can be easily sized by a trusted jeweler.