Since the southern African diamond rush of the 1870's, Bonas has always been closely associated with De Beers and has helped its clients to first secure and then optimise their direct supply of rough diamonds from its contracted sales arm through the exercise of four complementary services:
Antwerp viewings - Private sale of polished diamonds and coloured gemstones (PART II):
- 24 - 28 June 2019 (01 July 11h CET)
Hong Kong viewings - Sugilite:
- 22 - 25 June 2019 (26 June 11h CET)
Antwerp viewings:
- 26 June - 8 July 2019 (9 July 13h CET)
- 30 August - 11 September 2019
- 5 - 18 November 2019
- 9 - 13 December 2019
- 22 - 26 July 2019 (26 July 4pm CET)
Botswana viewings only:
- 18 - 29 August 2019 (29 Aug 4pm CET)
- 2 - 12 December 2019 (12 Dec 4pm CET)
- 1 - 11 July 2019
- 19 - 29 August 2019
- 16 - 26 September 2019
- 4 - 15 November 2019
- 2 - 12 December 2019
- 12 - 24 July 2019 (24 July 3pm CET)
- 17 - 27 September 2019
- 25 November - 5 December 2019
- 09 - 19 July 2019 (19 July 3pm CET)
- 26 August - 5 September 2019 (6 Sep 3pm CET)
- 7 - 18 October 2019 (21 Oct 3pm CET)
- 18 - 28 November 2019 (29 Nov 3pm CET)
If you wish to schedule an appointment, please contact our Antwerp office at:+32 (0)3 233 70 80diamondbrokers bonasgroup com
To consult our Privacy Statement, please click on the below Terms of Use.