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Bonas to hold polished coloured gems tender

10 September 2019

Lot 18 Sapphire set

Lot 300 Ruby

Lot 421 Tanzanite


Bonas is coming to Hong Kong for the third consecutive year to host a coloured gemstone tender on the sidelines of the September Hong Kong Jewellery & Gem Fair. The auction is scheduled for September 14 to 18.

About 500 lots of rubies and sapphires as well as Paraiba tourmalines and tanzanite stones will be offered at the sale. Another highlight of the tender are sugilites, following two successful sugilite tenders by the company.  

The stones will be displayed at Hong Kong SkyCity Marriott Hotel from September 14 to 18. The sale, to be held online via, closes on September 19 at 3:30pm, Hong Kong time.

The event is by registration only.