Art Deco 1.32ct Colombian Emerald and Diamond Three Stone Plaque Ring

A striking early 20th century emerald and diamond trilogy cluster ring. The central 1.32ct emerald-cut Colombian emerald is flanked top and bottom by an old European-cut diamond, all encompassed within an old European-cut diamond surround. Mounted in platinum. Circa 1920.

• Emerald: 1.32 carats, Colombian origin, measuring 7.59mm x 6.01mm
• Principal diamonds (2): approx. 0.50 carat total
• Remaining diamonds: approx. 0.50 carat total
• Total diamond weight: approx. 1.00 carat total
• Diamond colour: G
• Diamond clarity: VS/SI
• Metal: Tests as platinum
• Hallmarks: None/worn
• Ring size: L 1/2 (UK) / 6 (US), can be resized
• Fit flat on finger
• Head dimensions: 21mm x 11mm
• Gross weight: 4.0 grams
• Condition: Very good, commensurate to age and use