The suite of jewels Cartier is presenting at the 27th Biennale de Paris. 

The 30.21-carat, absolute pure, Golconda-type diamond.

The 29.06-carat, cushion-shaped, cornflower-blue sapphire from Kashmir.

The Andes emerald, weighing 17.38 carats, in an elegant step-cut rectangular shape.

Weighing 26.6 carats, this Colombian emerald is distinguished by the uniqueness of its cushion shape.

A suite of Colombian emeralds, the largest of which weighs 9.04 carats.

A 10.17-carat pigeon's blood ruby from the Burmese valley of Mogok.

An oval, 15.29-carat ruby from Mozambique.

This 8.38-carat cushion-shaped ruby belongs to the legendary aristocracy of old Burmese rubies that were extracted in the faraway valley of Mogok.

A pear-shaped spinel, weighing a whopping 49.74 carats, from Kuh-i-Lal, in the Pamir mountain range of Tadjikistan,

A perfectly oval opal, weighing 57.95 carats, from a mine in Australia.

Necklace with the 26.6-carat cushion-shaped Colombian emerald set as a removable pendant.

The tiara-necklace-pendant with the royal pearl. 

The royal pearl that Cartier is presenting at the 27th Biennale de Paris is likely harvested in the Persian Gulf, weighs 8.3 grams and has a perfectly symmetrical drop shape and silvery orient.

Ring with the 30.21-carat absolute pure, pear-shaped diamond, which can be removed to become the pendant of a platinum necklace.