💙 Vintage STS 925 Sterling Silver Blue Stone Diamond Pendant Necklace

This is an ornate, modernist pendant with a blue colored glass cabochon center stone with tiny clear diamond accents that measures 1.25" long. Back of the pendant is stamped 925 STS. Sterling Silver chain has a 925 stamped "C" pinch clasp and measures 19" long. Weighed 5.8 grams. Please view pics closely for condition details and size comparisons. Very good overall vintage/pre-owned condition.