Diamine have informed me that a new ink, EARL GREY will soon be available as part of their general range, but ONLY in 80ml bottles. This will not worry me at all!
By way of explanation, I've included a comment from Phil Davies at Diamine who said the following:
"This ink colour was chosen by the members of r/fountainpens, a wonderful Reddit community of fountain pen enthusiasts. If you aren't a part of the community, join in - www.reddit.com/r/fountainpens!
"The EARL GREY will become part of our standard line but only available in 80ml."
My short review below was done using a Lamy Vista with M nib and on the usual Rhodia dot 80gsm paper.
However, I think that this ink could well benefit from being used with finer nibs so I have included two other examples. A Lamy Vista with F nib and a Sailor Sapporo, also with F nib.
Although never having used many grey inks, I have shown comparisons with the only other three I have. I found Earl Grey to be a nice mid to dark neutral colour, whereas Graphite has green undertones and Chopin, blue. That's of course a personal opinion. Silver Fox is too 'light' for my liking, and eyesight/legibility. It has no waterproof qualities at all.
I will be using this ink as a frequent addition to my rotation, and unlike Graphite, there's no 'interesting' smell - which we all know is just a factor in the dye components of that ink. Also, Earl Grey is dark enough to be easily distinguished from some of the 'pale' black inks that are knocking about.
I have no idea when it will be available but it's certainly worth considering.