Не істейді 925 HN stand for on my 14k white gold bangle bracelet?

925 stands for Sterling Silver and HN stands for Heng Ngai who is a jewelry maker and designer in Hong Kong. He obtained a patent in 2014 to use the image you see on your bracelet as his brand. So more than likely part of your bracelet is sterling silver or someone stamped 14k on it to fool a potential buyer.
Менде күміс сақина бар 925 үстінде. Ол нені білдіреді?
Sterling silver is metal alloy consisting of 92.5% күміс және 7.5% base metals like copper or zinc. The mark on your ring signifies this composition, rather than fine silver, which is 99.9% silver or coin silver, which is 90% күміс.
What does it mean if a gold colored ring has the words Canada and GAA 925 on the inside?
If the GAA is on the inside it is likely a makers mark. On the outside of the ring this could be related to the Canadian Gaelic sporting association. In your case it sounds like a makers mark. 925 identifies the ring as possibly Sterling Silver (Fake marks are often applied to cheap jewellery). If it is Sterling then the gold colouring could be gilt (Thin application of gold foil or paint).