Antique Victorian 6.4ct Star Sapphire and Diamond Double Cluster Ring

A striking star sapphire and diamond cluster cocktail ring. The central natural oval cabochon star sapphire displays a relaxing lavender hue, surrounded by a double halo of rose-cut diamonds. Mounted in silver upon 18ct yellow gold. Circa 1880.

• Star Sapphire: approx. 6.40 carats, measuring 9.97mm x 7.71mm, natural untreated with six rays due to asterism
• Diamonds: approx. 1.90 carat total (by spread)
• Metals: Tests as silver and 18ct gold
• Ring size: N 1/4 (UK) / 6.75 (US)
• Head dimensions: 25mm x 22mm
• Gross weight: 6.8 grams
• Condition: Very good commensurate to age and use