Vintage Large 14k Gold Blue Topaz 2.5ct Diamond Necklace Pendant 

This impressive vintage necklace pendant is set in r14k yellow and features an emerald cut pale blue topaz gemstone measuring 24mm long by 15mm wide. The gemstone is surrounded by an impressive halo of 24 brilliant cut white G-H fiery diamonds of VS-SI1 clarity. The total diamond weight is approximately 2.50 carats. 

This piece measures 32mm in length by 20mm in width not including the bale.  The bail adds approximately 5mm. 

The piece is marked on the back bail underside with "14k" for gold purity. 

The weight of the pendant is 17.46grams.