Cutler and Gross The Great Frog Lucky Diamond I Round Opticals Colour:Olive meaning each lens spans 51mm

meaning each lens spans 51mm across at its widest

Sizing: 54-20-145 means each lens is 54mm wide

Black and Striped Dark Green hold the sober end

and it treats that as a design position rather than a limitation

Cutler and Gross The Great Frog Lucky Diamond I Round Opticals Colour:Olive meaning each lens spans 51mmThe optical version of Lucky Diamond I keeps the round silhouette that made the sunglasses work and translates it into an everyday prescription frame. Made in acetate, it is offered in four colourways, all of them relatively grounded: muted Olive, mottled Havana, plain Black and the deeper Deep Blue. The circle is drawn cleanly and does not tip into novelty. Cutler and Gross do not publish a lens width for this model. Judged on proportion, it is a