U+2B18 "⬘" Diamond with Top Half Black Unicode Character

U+2B18 "⬘" Diamond with Top Half Black is a geometric symbol depicting a diamond shape where only the top half is filled in black and the bottom half remains unfilled or outlined, creating a distinct two tone appearance. It belongs to the Miscellaneous Symbols and Arrows block and is often used in technical diagrams, user interface design, or mathematics to represent a partially filled state, an incomplete indicator, or a specific direction related to the top half of a diamond. Its design allows it to serve as a subtle visual cue for differentiation or status representation in both digital and printed materials.