Edwardian 14k Yellow Gold & Platinum Diamond Stick Pin

This is a vintage stickpin. Rendered in fine 14k yellow gold and platinum, this pin features a single diamond. The pin is stamped 14k and bears an illegible mark. The pin stopper is brass and closes securely. The total weight of this item is 2.7g. The weight of the pin without the stopper is 1.4g. The pin is 2 3/8" long.
Condition Report: General wear consistent with age and use.