Author Archives: Duncan Parker

Duncan Parker

About Duncan Parker

Duncan Parker, FGA, FCGmA, CAP (CJA), Vice President. Duncan is a columnist and contributor for industry magazines and journals. He has been an instructor of the gemstone course at Ryerson University, the Gemmology courses of George Brown College and Canadian Gemmological Association as well as instructor Master Valuer Program with the Canadian Jewellers Association. A renowned expert, he speaks regularly at international gem and jewellery conferences and symposiums, as well as at less formal events. He has served as President of the Canadian Gemmological Association since 1995. Before joining Dupuis Auctioneers, Duncan was a director of research at Harold Weinstein Ltd., a leading and respected jewellery appraisal company.

Erté Art Deco Designer

Erté Erté is a name central to the world of design and closely associated with the height of Art Deco style. This long lived artist became prominent in the 1920s, and held influence over the world of fashion for most … Continue reading

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Burma: What Does It Mean for Gems?

Burma (Also Known as Myanmar) Burma, it’s a name that evokes images of great treasures to anyone who knows about gemstones. Now known as Myanmar, the country is still referred to as Burma by many people. The country of Burma … Continue reading

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Selling your Jewels at Auction

Selling at Auction is a Simple Affair Are you thinking of selling your jewels? Is it time to find a new home for your precious things? There are lots of reasons for looking for ways of selling: “I’m selling my beautiful … Continue reading

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ABC of Jewellers

ABC of Jewellers Here we present an ABC of jewellers whose work has been offered at auction at Dupuis: Around the world and around the alphabet, Dupuis Fine Jewellery Auctioneers has offered jewels to bidders from East to West, and … Continue reading

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Castellani and Giuliano

Castellani and Giuliano The nineteenth Century is a time of change. Industry creates a growing middle class. Archaeology is invented, and all around the Mediterranean, sites reveal beautiful decorative items of the ancient world. Artifacts of ancient Greece, Egypt, and … Continue reading

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Diamond Carat Weight: Large is Rare

Diamonds By The Carat: Large Is Rare We weigh diamonds in carats. A carat is a metric measurement of 200 milligrams. That means 5 carats equals a gram. Most people will never own a gram of diamonds. While a large diamond … Continue reading

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Antique Jewels: 19th Century

ANTIQUE JEWELS: VICTORIAN Antique jewels have a story. Sometimes we aren’t told what the story is. We can, however, discover the tale by reading the secrets of the jewel. History is a moment in time. In antique jewels, these moments … Continue reading

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Egyptian influences

 Egyptian Influences Did you know that the world has been fascinated with the world of ancient Egypt since it was not ancient? Every time someone uncovers a tomb or grave in ancient Egypt, we see Egyptian influences flowing in to … Continue reading

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Did You Know? Tanzanite is a one source gem

Tanzanite: A One Source Gem   Did you know, Tanzanite is a one source gem?  This remarkable blue to purple blue gem comes from one place in the world. The gem is mined in Arusha, near Mount Kilimanjaro, in Tanzania. … Continue reading

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Did You Know? Royal Provenance

Royal Provenance This antique brooch, Circa 1850, is accompanied by a notarized letter indicating that it is from the estate of His Imperial Highness, Archduke of Austria, Luis Salvador of Habsburg-Lorraine and Borbon. Royal Provenance makes everything more interesting. It … Continue reading

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