Hmmm . . . A William Henry T08 in pearl and nickel silver would be nice, but a bit over the price limit. . . . so surprise her!
New age stuff ain't my cup of herbal tea either, but it sounds like she's looking for a "bolline," which would be a white(ish) handled knife, used, for instance, for harvesting herbs, and it should take a decent edge. Contrast the "athame," usually a black-handled dagger that's kept dull because it is only used to direct psychic energy - "cutting air" in the physical plane.
Ivory micarta is itself close to being "plastic," since it's a laminate of paper and epoxy resin.
Would a light-colored wood like birch be acceptable? If so, there are a lot of small Scandinavian and Finnish knives that might work. Here's one that's longer than 3" and clip-pointed instead of upswept, but it is well under the price limit, so if she doen't like it you have a useful knockabout carbon steel working knife:
Frosts-Sweden 137
A bit more money gets "nicer" variations on the same theme.
"Ragnar" of
www.ragweedforge.com also specializes in "northern" sorts of knives, and has a lot of "new age" customers as well as the creatively anachronistic sort, so he might have some useful suggestions.
If a curved "clip point" qualifies as "upswept," there may be some choices among stag-handled factory knives, where one could grind away a bit of material if one thought the surface was too dark. The stag or light maple handled Marbles Fieldcraft is again about a half an inch longer than specifications, but the price is on target, and it has a certain "traditional" appeal.
For smaller size and less money, in 440A steel, Bear MGC makes a 2 5/8" stag handled upswept hunter - the BC596. It looks like it would require filing away a lot some dark surface to make it off-white.
I'm trying to think of a production upswept or clip-point folder in natural bone . . . .
If it doesn't have to be a lockback, and generic "surgical stainless" is OK, I spotted a pearl-handled Case 829 "Texas Toothpick" with a 3" slim and slightly upswept blade for under $100 at KnifeCenter.
Another possiblity - you may be able to find a custom maker who can do a small stag or bone handled fixed blade to her specifications, with a "working" finish, for somewhere in the $100 neighborhood.
Good hunting . . .
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- JKM
www.chaicutlery.com
AKTI Member # SA00001