Vintage 5 Carats Black Star Sapphire 3 Stone Diamond Cocktail Ring

Vintage Black Star Sapphire & Diamond Cocktail Ring — Circa 1970s
A striking vintage cocktail ring showcasing the dramatic beauty of black star sapphires paired with brilliant diamonds in a richly textured design. The centerpiece is an oval black star sapphire cabochon weighing approximately 4 carats, displaying a clear and prominent asterism that moves beautifully in the light. Two matching oval black star sapphires (~1.00 carat total) accent the center stone, creating a balanced and bold composition.
Twenty-four round brilliant-cut diamonds totaling approximately 1.20 carats (F/G color, VS clarity) are prong-set in elegant curved double rows — 12 on each side — adding exceptional sparkle and contrast against the deep, velvety sapphires. The mounting features sculptural twisted rope gold layers throughout, giving the ring substantial texture and dimensional presence characteristic of 1970s design.
Details
Circa: 1970s
Center stone: Oval black star sapphire cabochon, ~4.00 carats
Measures 20 × 10.5 mm
Distinct asterism
Side stones: Two black star sapphires, ~1.00 carat total
Each approx. 5.6 × 4.2 mm
Diamonds: 24 round brilliant cuts, ~1.20 carats total
F/G color, VS clarity
Metal: 14K white gold (stamped)
Weight: 11.92 grams
Ring size: 7.25