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<p>[QUOTE=&quot;Bronwen, post: 361981, member: 5833&quot;]Your uncle may have sold the original stone during the Depression.&nbsp; A friend inherited a beautiful cameo en habillé dating to that same period from a great aunt.&nbsp; She has had them replaced, but when it came to her, the spaces for the 5 little diamonds were empty.</p><p><br /></p><p>Synthetic red corundum was developed well before blue.&nbsp; If the ring was indeed made when this style was first in fashion, the synthetic sapphire may have been quite a novelty.&nbsp; I was going to make the comparison with Linde stars &amp; came across <a href="http://www.thebrazilianconnection.com/Linde_info.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.thebrazilianconnection.com/Linde_info.html" rel="nofollow">this account</a> of their development, which starts off with some info about synthetic &#039;sapphires&#039; that is new to me.[/QUOTE]</p><p><br /></p>

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