Sell Diamonds

We buy set and unset diamonds as well as diamonds of a variety of cuts.

If you would like to sell diamonds, make an appointment and bring your diamonds into Alpha Buying Co. Quote a price or wait for our diamond buyer to evaluate your diamond and make an offer. We evaluate diamonds on carat, colour, clarity and cut.

Alpha Buying Company recognises valuation and gem certificates from Australia:

  • GSL, Gem Study Laboratory, Sydney, Australia
  • Some other European and American Gem Laboratories.

We buy set and unset cut diamonds.

Benefits of selling your diamonds to Alpha Buying Co.

  • Deal directly with a certified, practicing Gemmologist with 40 years’ jewellery industry experience
  • Complete privacy assured
  • Appointment only to minimise waiting time
  • Convenient CBD location
  • We’ll try to beat any other genuine offer
  • If we can’t buy from you, we may be able to suggest an alternative way for you to sell your diamonds
If you would like to contact us, simply fill out the form below and hit send.