Diamond ring

The ornamental design for a diamond ring, substantially as shown.

FIG. 1 is a perspective view of a diamond ring showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom plan view.

Patent	Priority	Assignee	Title
D427539,	Apr 16 1999	BULGARI S.P.A.	Ring

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Apr 16 1976		Jabel Incorporated	(assignment on the face of the patent)

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