Regarding zakah on diamonds and emeralds

Hazrat Ikrimah states that there is no zakat on diamonds and emeralds, but if they are for trade, then zakat is obligatory on them.

Hazrat Saeed bin Jubair states that there is no zakat on gems and diamonds unless they are for trade (then zakat is obligatory).

It is also narrated in the same manner from Hazrat Ikrimah.

Hazrat Saeed bin Jubair states that there is no zakat on gems and diamonds unless they are for trade (then zakat is obligatory).

Hazrat Hajjaj, Hazrat Ata, Hazrat Zuhri, and Hazrat Mak'hool—all these personalities state that there is no zakat on jewels unless they are for trade.

It is narrated from Hazrat Shu’bah that Hazrat Hakam did not consider zakat obligatory on jewelry except for gold and silver, and likewise, he did not consider zakat obligatory on gems and diamonds.

Ibrahim states that every item kept for trade is subject to zakat, even if it is milk or clay mortar. And he says that this was also the opinion of Hazrat Hakam.

10348 - He said: And Al-Hakam used to see that.

Hazrat Hammad states that there is no Zakat on jewels except if they are for trade.

Hazrat Ibn Jurayj narrates that Hazrat Ata said to me that diamonds, peridot (precious stones), rubies, gems, and goods, and everything that is not circulated (in trade), there is no zakat on them; and whatever is for trade, then after selling it, zakat is due on its price.

Hazrat Usama narrates that I asked Hazrat Qasim about the zakat on diamonds. He replied that those which are worn, such as jewelry, and are not for trade, there is no zakat on them. And those which are for trade, zakat is obligatory on them.

Hazrat Abu Al-Malih considered zakat obligatory on diamonds.