The D-colour emerald-cut diamond will be featured alongside a 12.39-carat fancy intense yellow diamond ring, set with two triangular white diamonds weighing 1.35 and 1.36 carats.
The estimated pre-sale high value is €350,000 ($AU536,500).
The tender, scheduled for 18-20 July, will also offer a bracelet made of Colombian emeralds and diamonds by French jeweller Guillemin & Soulaine. The pre-sale estimate for that item is €250,000 ($AU383,000).
A necklace made in France in 1970 and which features 15 natural Ceylon sapphires and a variety of baguette, marquise, and pear-cut diamonds, set in white gold and platinum is also expected to fetch around €120,000 ($AU184,000).
Several pieces from iconic jewellery brands such as Cartier, Van Cleef & Arpels, Bulgari, Chaumet, and Boucheron will also be on sale during the tender.
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