Mid Century 2.40 Carat Colombian Emerald Solitaire Ring, circa 1960A top class emerald ring. The ideally coloured blueish green emerald certified as Colombian and having received only moderate clarity enhancement is rubover set in a yellow gold collet. On a slender 18k white gold shank which splits at the shoulders. A simple design, but set apart by the quality of the emerald. Currently size K 1 2 (UK) or 5 3 8 (US). Free sizing available. Accompanied by an emerald report from The Gem & Pearl Laboratory stating the