Ring with diamond navette of approx. 1.61 ct,

Ring with navette-cut diamond ca. 1.61 ct, ca. WHITE (H)/VS in a bi-colour double setting flanked by brilliant-cut diamonds totalling ca. 0.27 ct, good colour and clarity, partly slightly chipped, 18K yellow and white gold, 10.5 g, ring size 52, late 20th century, signs of wear, marked 'M', including copy of jewellers certificate, PP (1997): 29,000 DM.