Sophia D Art Deco Mosaic Ring with Emerald-Cut Diamond, Emeralds, and Onyx in PlatinumA bold expression of architectural symmetry, this platinum ring features a 2. 62 carat natural emerald cut diamond at its center, framed in a mosaic of 0. 24 carats of vivid emeralds and 1. 24 carats of polished onyx. Precision set with milgrain detail and accented by 0. 05 carats of diamonds along the shank, this piece channels the graphic geometry of the Art Deco era with a vivid interplay of contrast and clarity. A timeless statement of structure,