What is the collective noun for jewels?

There isn't a single, universally accepted collective noun for jewels. However, some options that are used include:

* A collection of jewels

* A trove of jewels

* A hoard of jewels

* A treasure of jewels

* A casket of jewels

You can also use more poetic or descriptive terms depending on the context:

* A glittering array of jewels

* A dazzling display of jewels

* A magnificent assortment of jewels

Ultimately, the best collective noun for jewels will depend on the specific situation and the desired effect.