Edwardian 5.68 Carat Insignificant Oil Colombian Emerald & Diamond Ring, circa 1910This is beyond amazing. Emeralds are typically oiled to seal surface reaching fissures, so to find one where the evidence of oiling is negligible makes this a stone of rare quality and to find one that is also Colombian, and as large as this leaves us floundering in our search for adjectives to do it justice. The bright green of the centre is highlighted by the whiteness of the two 0. 30 carat (approx.) old cut diamonds either side. With ornate but