Comparing the two fragrances…

L'Arc

Memoize London
Argentium
Avaritia
Only in Argentium
Only in Avaritia
Shared character
Both Argentium and Avaritia belong to the woody fragrance family and share a composition featuring sandalwood, musk, artemisia, and amberwood.
How they differ
Argentium features notes of nutmeg, cardamom, saffron, oud / agarwood, and bitter orange, resulting in an ambery (oriental) accord. Avaritia contains jasmine, bergamot, cedarwood, geranium, patchouli, orange, and cedar, which contribute to citrus, earthy, aromatic, fresh spicy, patchouli, and warm spicy accords.
Who each suits
Argentium is suited for those who prefer ambery (oriental) profiles with spices and oud. Avaritia is suited for those who prefer scents with citrus, earthy, and fresh spicy characteristics.