Seigi begins working at "Jewelry Etranger." Richard tells him "you will exhibit no prejudice, nor speak in a discriminatory manner," but fails to understand his intention.
One day, Akashi Mami comes to get a ruby valuated with the strange request to determine if the gemstone has been heated or not.
Mami's brooding expression reminds Seigi of his grandmother, and he is curious.
Meanwhile, Mami's troubled fiancee Homura Takashi arrives at the store...
the natural, unheated gemstones 
are more expensive.
فالحجر الكريم الطّبيعيّ والّذي 
.لم يتعرّض للتّسخين باهظ أكثر
ist ohne Wärmebehandlung teurer.
las gemas naturales sin calentar
son más caras.
las gemas naturales sin calentar
son más caras.
ont plus de valeur
lorsqu’ils sont bruts.
le gemme naturali, non riscaldate, sono più costose.
as pedras não aquecidas são mais caras.
Разумеется, после «голубиной крови».