A DIAMOND DRESS RING, BY DIETER BRETTERBAUER, CIRCA 1970 Of marquise shape, set with baguette-cut diamonds at the centre within a brilliant-cut diamond surround, mounted in 14K gold, diamonds approximately 2.50cts total, with maker's mark 'db' for Bretterbauer, ring size N Located in Velden am Wörthersee, Austria, the showrooms of Bretterbauer Juweliere offer the discerning client a chance to purchase something innovative, unique and, above all, beautiful. A family run business, Bretterbauer was established over forty years ago. Each creation is designed by either Dieter or Helmut Bretterbauer and handmade by the company. The raw materials are purchased exclusively from conflict-free sources, with each diamond and gem carefully chosen for its superior quality. Pieces by Bretterbauer Juweliere have been exhibited worldwide and the company has been presented with the Diamond International Award. Rightfully proud of their work, each item is either stamped or signed by the designer and accompanied by a certificate of authenticity.