Art Deco Pigeon Blood Red Ruby and Diamond Navette Cluster Ring

A striking antique ruby and diamond marquise shaped cluster engagement ring. The central 0.42ct rich red ruby has the desirable vivid pigeon blood colour and is nestled within a navette-shaped old brilliant-cut diamond-set surround. Mounted in platinum. Circa 1920.

• Ruby: approx. 0.42 carats, no indication of heat treatment
• Diamonds (20): approx. 0.40 carat total, F/H colour with VS/SI clarity
• Metal: Tests as platinum
• Hallmarks: None
• Ring size: M (UK) / 6.25 (US) / 53 & 17 (EU), can be resized
• Band width: 1.54cm (top of ring)
• Gross weight: 2.0 grams