ΔE 9.0, close: similar, with a visible difference side by side. Glorious Gold is a little lighter, cooler than Moonstone Alchemy.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Glorious Gold is a little lighter, cooler than Moonstone Alchemy.
The same difference applies the other way round: Moonstone Alchemy is a little darker, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Moonstone Alchemy on the colour wheel See Glorious Gold on the colour wheel
All matches: Moonstone Alchemy equivalents · Glorious Gold equivalents