Vintage Estate 14k Gold 1.25ctw Oval Blue Tanzanite Gemstone Diamond Slide Pendant

This is a beautiful vintage estate pendant sent in rich 14k yellow gold featuring a central genuine oval blue tanzanite gemstone measuring 7mm in length by 5mm in width, totaling approximately 1.25 carats.  The pendant is further set with eleven natural round brilliant cut diamonds totaling approximately 0.33 carats.  The diamonds are pure white, very clean and sparkle brilliantly!

The length of the pendant is approximately  3/4" (20mm) and 7/16" wide (15mm) with 1/4" depth.  

The weight of the pendant is 2.6 grams. 

The pendant is marked with "14k" for gold purity and with the maker's mark which is a cursive "De Beers" potentially.