A Ladies 14K White Gold 14.5 Inch Long Chain From Which Hangs A 10K White Gold And Sterling Silver Pin/Pendant Set With A 6 X 11.5 Mm Teardrop Shaped Opal Doublet.  Also Set In The Pin/Pendant Are 47 Old Mine Cut Diamonds (1 Modern) Which Have A Total Approximate Weight Of 1.40 Carats.