Sophia D Art Deco Emerald Cut Diamond and Onyx Pendant Necklace PlatinumA platinum necklace set with a natural emerald cut diamond weighing approximately 2. 01 carats, accented by 0. 74 carats of natural diamonds. The center stone is framed by a stepped arrangement of baguette diamonds, forming a structured square motif, and outlined with a polished black onyx border. The pendant is suspended from a delicate chain with a diamond set bail, keeping the focus on the geometric centerpiece. Sharp lines, symmetry, and the