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<p>[QUOTE=&quot;afantiques, post: 38238, member: 25&quot;]<i>They say &#039;9ct&#039; if you wanna be nitpicky, but I was always taught kt = karat = gold purity. ct = carat = diamond size. And these ain&#039;t diamonds.</i></p><p><br /></p><p>Nitpicking is often the way to more exact knowledge. Teaching is incomplete if it does not include the limitations of that which is taught.</p><p><br /></p><p>In Britain the use of 9C and 9 ct died out in the early 1900s; by the 20s you&#039;d expect proper hallmarks, so it is also a dating guide. </p><p><br /></p><p>At that time (capital) CT was often used for diamonds, but usually there is no possibility of confusion.Until quite recently you would not find carat weight stamped in a diamond ring,and there will always be the quite separate gold makes so there is no&nbsp; confusion.</p><p><br /></p><p>The Zeppelin shaped link dies out in Britain after the first world war simply because they <i>were</i> Zeppelin shaped.[/QUOTE]</p><p><br /></p>

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