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.

Tompion Banger: A rare antique pocket watch

Way back, in the mid 1700s, there was a person who needed to be on time for appointments. The name D. L. Darcy is engraved, just above the date 1762 on the case back of this rare and fine timepiece. … Continue reading

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The Case for Unique Jewels

When we receive an important jewel, we think of it in an important box. The joy of seeing the telltale blue of Tiffany (Pantone colour 1837, the year that Tiffany was founded), the frisson of pleasure on unwrapping the distinctive … Continue reading

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A Fan Of Diamonds

Who isn’t a fan of diamonds? After seeing this extraordinary jewel, it would be difficult not to be a fan. Created by artist Derek Olson, this functioning fan is an extraordinary work of art. Olson is a creative artist, a … Continue reading

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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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