Colombian Emerald Ruby Diamond Onyx Platinum Ring

A very fine and rare Art Deco platinum ring a 4.0 ct emerald cut Colombian emerald of rich and deep green. The emerald is AGL certified as being of Colombian origin, with insignificant traditional treatment. Surrounding the emerald on each side are two rows of brilliant cut diamonds, 36 in total, weighing approx 1.75 carats, F-G in color, VS in clarity, with each corner featuring a French cut ruby (total of 4) surrounded by two onyx (total of 8). Each side of the ring ‘s shank contains 10 rectangular and trapezoid emerald baguettes. Each side of the ring also contains a triangular diamond. Total of 2. Each corner of the ring’s front is set with a french cut rubies, (total of 4 rubies). 4 carved onyx (total of 16 onyx)