Vintage 18k White Gold Tanzanite and Diamond Ring

An 18k white gold tanzanite and diamond ring consisting of a cushion cut tanzanite of medium violet blue four claw set across the finger with 20 old mine cut diamonds to the shoulders on a tapered shank - weight of tanzanite =1.65ct - weight of diamonds 20=0.25cts - total weight 3grms - dimensions of face 19 x 6mm - current ring size approx G.5 AU/UK (US 3.5) c.1990 

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