Vintage 4 carat purple star sapphire diamond 18k yellow gold cocktail ring

This vintage ring from the 1970s features a captivating 4 carat cabochon cut purple star sapphire, known for its natural asterism. Surrounded by 25 round brilliant cut diamonds totaling approximately 0.50 carats, graded H-I color and SI clarity, the design is set in richly polished 18k yellow gold. Hallmarked with a purity and maker’s mark. Size 6 and can be resized.