1. A computer-implemented method for dynamically generating an item-specific interactive electronic visualization interface, the computer-implemented method comprising: rendering, by a computer system, the electronic visualization interface for selecting and interacting with unique items, the user interface comprising: at least one region depicting a selectable listing of unique items configured to receive a selection of a selected item; and a dynamic two-axis plot configured to depict a plurality of markers corresponding to comparison items; receiving electronically via the electronic visualization interface, by the computer system, a selection of a unique item of the selectable listing, wherein rendering the electronic visualization further comprises: responsive to receiving the selection of the selected unique item, accessing, by the computer system, an electronic database to obtain information for a plurality of alternative unique items to enable determination of a similarity score for each alternative unique item in the plurality of alternative unique items, wherein the similarity score indicates the similarity between the selected item and the respective alternative unique item; determining, by the computer system, a set of comparison items, wherein the set of comparison items is a subset of the plurality of alternative unique items, and wherein each comparison item in the set of comparison items has a similarity score with respect to the selected item within a threshold similarity level; generating, by the computer system, a predicted selling price model by analyzing a plurality of attributes of the plurality of alternative unique items, wherein the predicted selling price model is configured to enable generation of a predicted selling price band; for each comparison item in the set of comparison items, determining, by the computer system, a set of marker coordinates for that comparison item, wherein each set of marker coordinates comprises a primary attribute value for the respective comparison item and a listing price for the respective comparison item; generating the dynamic two-axis plot within the electronic visualization interface centered on the selected unique item, the two-axis plot generated including a plurality of selectable markers corresponding to the set of comparison items, each marker depicted on the two-axis plot in accordance with the respective marker coordinates, wherein each selectable marker is configured to trigger a visible popup dialogue responsive to its selection, each selectable marker being generated on the two-axis plot such that each marker depicts a visual cue of relative similarity between the selected item and the comparison items in accordance with the similarity score, the visual cue comprising at least one of color or shape; receiving electronically via the electronic visualization interface, by the computer system, a selection of a new selected item, the new selected item being a unique item from the selectable listing and distinct from the selected unique item; and re-rendering, by the computer system, the electronic visualization interface based on the new selected item, wherein re-rendering comprises: re-generating the dynamic two-axis plot such that the plurality of selectable markers are updated in accordance with the new selected item, the updating comprising: adding new selectable markers onto the dynamic two-axis plot or removing one or more existing markers of the plurality of markers from the dynamic two-axis plot based on an updated similarity score, the updated similarity score based on the new selected item; and modifying the visual cue of similarity depicted by existing markers of the plurality of markers, the modified visual cue based on the updated similarity score.