Vintage 9k White Gold Diamond Set Clasp Lapis Bead Collier Necklace

A vintage necklace of eight strands of small faceted lapis beads threaded on silk finished with a box clasp closure in the form of a white gold five petal flower with overall Florentine finish and centrally set round brilliant cut diamond with an additional figure of eight safety clasp - marked 14k but tests as 9k gold and other unidentified marks possibly a makers mark - diamond 1=1.00cts  G/SI - total weight 76.7grms - wearable length 470mm width approx 20mm - c.1990 USA 

Accompanied by an Independent Retail Replacement Valuation Certificate verifying the materials have been independently examined and, where possible, tested to be as stated.