Art Deco Calibre-Cut Ruby & Diamond Bar Pin c. 1920s gold You can view the full

You can view the full GIA report here

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The finely coiled gold decoration demonstrates the level of hand craftsmanship required to create pieces of this quality

Whether worn on a lapel

Art Deco Calibre-Cut Ruby & Diamond Bar Pin c. 1920s gold You can view the fullThe clean lines and striking combination of rubies and diamonds make this bar pin a wonderful example of Art Deco design. At its centre are three slightly graduated old mine cut diamonds, framed by calibre cut rubies and rose cut diamonds. Calibre cutting is a specialised technique in which each gemstone is individually shaped to fit a specific design, requiring a high degree of craftsmanship and precision. The result is a seamless flow of colour that