Triangular contour diamond

The ornamental design for a triangular contour diamond, as shown and described.

FIG. 1 is a top plan view of a triangular contour diamond showing my new design; and,

FIG. 2 is a top plan view of a triangular contour diamond showing a second embodiment of my new design.

Patent	Priority	Assignee	Title
D584988,	May 08 2008	Swarovski Aktiengesellschaft	Gemstone or ornamental object made of glass

Patent	Priority	Assignee	Title
3510974,
4492723,	Oct 14 1982		Curvilinear polyhedral construction kit
D462921,	Mar 16 2001	YASKIL, HADAR	Gemstone
D497829,	Feb 05 2003	Diamond 4U, Ltd.	Gemstone

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