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Naomi Howard

Expert Gemstones

Every time we meet a seller and look at their beautiful gemstones, there is a story to tell.

Naomi’s love of jewellery started at the age of about 5 when her mother bought her an antique gold ring, set with a tiny coral cabochon. She still has this ring to this day and, although it’s now too small to fit her pinky, it’s one of her most treasured possessions.

She earned a Graduate Diploma in Diamonds at the Gemological Institute of America (GIA), then studied Gemmology at the Gemmological Association of Great Britain (Gem-A). She also completed the Accredited Jewellery Professional Programme and studied pearls at GIA.

Naomi has built up seven years of experience in her field. As part of her extensive experience, she’s worked with Boghossian Jewels and as a diamantaire in Antwerp.

Naomi loves how dynamic her work at Catawiki is. Meeting with other experts gives her a unique opportunity to learn and grow her skills. She also relishes the opportunity to share beautiful gems with people from around the world.

  • Studied at the Gemological Institute of America and the Gemmological Association of Great Britain
  • Over 7 years’ experience
  • Specialises in diamonds and colourful gemstones
  • Worked as a diamantaire in Antwerp

Closing today

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How to sell through Catawiki

  1. 1. Seller registration

    Register as a seller for free. You can offer up as many special objects as you wish that are of premium quality.

  2. 2. Submit items

    Once your items and descriptions have been approved by our experts, they are scheduled for auction.

  3. 3. The thrill of auction

    Experience the auction excitement as thousands of enthusiasts discover your lots!

  4. 4. Make money safely

    You won’t be asked to ship your items until the buyer has transferred payment. Catawiki manages payments between buyers and sellers.

The advantages of Catawiki’s auctions

  • High revenues

  • Swift sales

  • Secure payment format

  • International bidding audience

  • Supervised by our experts

  • Optional reserve price for expensive items

  • Professional customer service

  • User friendly

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