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The Certified Diamond Auction

The Certified Diamond Auction


Bidding live until 5 May 2020
9pm SAST

Register & Bid

Please contact us for any condition reports and auction advice.


Grab this opportunity to bid on and buy rare GIA certified diamonds below wholesale prices

Register and bid on our Certified Diamond Auction running until 9pm, Tuesday the 5th of May 2020. All bidding is done online in a timed auction format. All lots have reserves and a starting estimate. The auction ends at 9pm, SAST, Tuesday 5 May. Bids placed within 10 minutes of the end of the auction (from 8:50pm) on the 5 May will extend bidding on that lot by 10 minutes and again thereafter should another bid be submitted.

All the diamonds on the auction are certified by the Gemological Institute of America – GIA – and can be cross-referenced using the free to use report check on the website

All the lots can be viewed on this platform or via our free Stephan Welz & Co app, available for download on Google Play and IOS App Store.

For condition reports or any other enquiries please email and we will be happy to assist.

Buyers’ Premium: 10% + VAT at the prevailing rate.
All lots purchased via our Digital Saleroom will be subject to a 3% transaction fee over and above the calculated buyer’s premium

The packing and transport costs will be calculated as follows (one bulk shipment between offices): Shipping between our Johannesburg and Cape Town offices will be for the buyer’s account and must be paid prior to the goods leaving Johannesburg.
Insurance is not included

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