An attractive alternative top the two strand lanyard (diamond) knot is what I call the herringbone lanyard knot shown on the left. Diamond/lanyard knot shown on right. The herringbone is slightly larger.
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Put a temporary seizing and form two loops.
Bring each end around its neighbor and up through its own bight.
Bring left hand cord down through the bottom bight - going to the right of the parallel cord.
Turn the knot over and repeat with the second cord.
Bring either end over two strands and under a crossing pair of strands.
Repeat with other end.
Knot is complete.
After tightening you can see the herringbone pattern.