Another wonderful find Kongetro!!. Your blog is so interesting.
I don't know the answer to the mystery of Queen Alexandra and emeralds. There are certainly press reports of her wearing a diamond and emerald tiara as well as a diamond and emerald necklace. In some cases where the press mentions an emerald necklace, it is relatively easy to identify the pearl and emerald Indian necklace Queen Victoria gave to her for her wedding. In other cases the descriptions suggest the Cartier resille necklace which was sometimes worn with the emerald drops, sometimes with the emeralds and rubies.
It is possible that, after Alexandra became Queen, she wore Queen Victoria's emeralds, but that does not explain the references to Alexandra wearing an emerald tiara beforehand.
In
Tiaras. A history of splendour Geoffrey Munn (on page 104) cites Lady Monkswell's description of Alexandra as Princess of Wales in May 1894 at a function held at the Foreign Office
"...Her hair most beautifully done with a splendid diamond tiara with great emeralds in it, put on in exactly the right place."
As Lady Monkswell attended the function, I think that her description can be trusted and adds credence to the press reports stating that Queen Alexandra had an emerald tiara.
I have always wondered if the 1894 description referred to the wedding gift tiara with emeralds, as we know that Queen Alexandra interchanged some of the elements at times.
For example in this photo we can see that the Queen has placed stars in the tiara.
I can imagine the wedding tiara with emeralds placed between the fleur de lys elements.
Another possibility is that Queen Alexandra had emeralds to use in the tiara which we know could take sapphires or amethysts.
Some other references to Queen Alexandra and emeralds.
1904
1905
1904
There are other, similar, references, so I am convinced that Queen Alexandra did have an emerald parure
Congratulations Kongetro! What you have found adds to what is in the UK media of the time.
Hopefully, in time, someone will find a more detailed description or (bliss!) a photo so that we can identify which jewels HM wore.