Gorgeous vintage set. The company is a NY based BH, presently EFFY, tested and marked BH 14K. Total weight is 4.5g

The pendant is about 3/4" long slide, with 7mm teardrop faceted tanzanite, and 4 tested 2mm diamonds, round cut and channel set. On a very fine 14K white gold 17" chain.  
The matching earrings are 5/8", with 6mm tanzanite, and 3 x 1.5mm diamonds each. 
 
In very good condition. 

Shipping in the USA $10.50

THANKS !