Selling Diamonds & Engagement Rings at Auction is Easy!

Take the first step to selling your diamonds, engagement rings & diamond rings at auction with a free no obligation, online sales valuation.

Click here to view frequently asked questions and to learn how the process of selling a diamond at auction works.

Simply fill out the Submission Form, attach images and supporting documentation and we will be back in touch with you soon.


As a description of the item, please include size of the stone, quality (clarity, colour), weight in grams of the item, metal (if any used).

  • You can list multiple items for sale in a single submission.
  • Please include 3-4 images per diamond showing the item's condition, including photos from all angles, and defects or damage, if any.
  • Any documentation you might have on the diamond (a certificate, a valuation, a purchase invoice)
  • You can directly upload your item images by using the attachment feature on this form. Alternatively, you can send your images via email to [email protected]

Maximum 10 files.
7 MB limit.
Allowed types: gif, jpg, jpeg, png.

We are currently taking vendor submissions for:


  • Natural Diamonds - certified diamonds over 0.5 carats in all shapes and settings, fancy colour diamonds and diamond jewellery.
  • Brand Name Jewellery- including Bvlgari, Cartier, Chanel, Chopard, Dior, Hermes, Paspaley, Tiffany, Van Cleef & Arpels, Piaget, Louis Vuitton and other luxury brands.
  • Natural Gemstones
  • Swiss Watches
  • Designer Bags


We do not auction lab grown gems or silver jewellery.


Why sell your diamonds through First State Auctions?

Be informed of upcoming auctions