Figure 2 shows three GIA graded diamonds photographed in GIA's Diamond Dock light box resting on various backgrounds: white, GIA's gray tray and black. The stone (A) on the left is shallow, the center stone (B) is close to Tolkowsky 'ideal' proportions and the stone on the right (C) is deeper.

(A)	(B)	(C)
Figure 2. Specimens from Table 1 photographed in Diamond Dock on different backgrounds (trays) Note that the GIA gray tray provides the best appearance for the deeper stone (C). The black background is the worst for this stone as most of the table area is dark.