The smallest of this graduated square run, at 0.13 carats — a true melee-scale step cut, and the last place carelessness can hide: at this size, an imprecise facet or a soft corner would be obvious immediately. There’s none here. The yellow-green tone holds its full saturation even scaled down this far, proof that the material’s quality isn’t a function of size. GFCO confirms no heat, no treatment, Sutara origin.