INVITATION TO PREVIEW
Dupuis Showroom
1200 Bay Street, 9th floor, Toronto, ON M5R 2A5
• Monday, Nov. 10 – Tuesday, Nov. 11:
11:00 am – 4:00 pm
• Wednesday, Nov. 12:
11:00 am – 7:00 pm (Extended Hours)
• Thursday, Nov. 13 – Friday, Nov. 14:
11:00 am – 4:00 pm
• Saturday, Nov. 15 – Sunday, Nov. 16:
Closed
• Monday, Nov. 17 – Wednesday, Nov. 19:
11:00 am – 4:00 pm
Specialist Talk and Late Viewing
Duncan Parker presents ‘Notable Lots’
Wednesday, Nov. 12
6:00 pm – 6:30 pm

An Emerald, Diamond, Cultured Pearl Necklace | Lot 585
Estimate: $36,000 – $46,000
ONLINE AUCTION
IMPORTANT JEWELS | November 12–19, 2025
Bidding unfolds online, beginning on Wednesday, November 12th at 11:00 a.m. EST until Wednesday, November 19th, when each lot has a planned closing time beginning at 1:00 p.m. EST. If a bid is submitted within 10 minutes of a lot’s intended closing time, the duration extends and resets for an extra 10 minutes, ensuring a fair bidding process for all participants.
Register to bid Browse Lots
Dupuis Auctioneers is pleased to present nearly 700 enticing lots for your consideration in the upcoming November auction.
Highly impressive are two significant collections, intentionally curated over past decades by passionate jewellery lovers with sophisticated style, encompassing a range of eras to pique your interest, and featuring designs from the ethereally elegant to the boldly avant-garde.
Discerning bidders can choose from a broad selection of diamonds, many weighing more than 2 and 3 carats, and a definite highlight is an absolutely desirable 13 carat radiant-cut yellow diamond.
Your favourite makers are well-represented, including signed items by Van Cleef & Arpels, Cartier, Tiffany & Co., Schlumberger, Chopard and Lalaounis. The finest watches are by Rolex, Cartier, Patek Philippe, Omega, Jaeger-Lecoultre, and Harry Winston.
COMING UP FOR AUCTION THIS FALL AT DUPUIS
A Diamond, Sapphire and White Gold Ring
Est: $40,000 - 50,000
An Emerald, Moonstone, Ruby, Diamond and White Gold Jewellers Loupe Pendant
Est: $3,200 - 4,300
A Stainless Steel 'Oyster Perpetual Datejust' Wristwatch, Ref. 16200, Rolex, circa 2004
Est: $6,000 - 8,000
A Fine Emerald, Diamond and White Gold Pendant
Est: $70,000 - 100,000
A Pair of Diamond and White Gold Ear Studs
Est: $18,000 - 24,000
A Diamond and White Gold 'Fiorever' Bangle Bracelet, Bulgari
Est: $3,600 - 4,600
A Suite of 'Happy Diamonds' and White Gold Jewels, Chopard
Est: $3,000 - 4,000
An Art Deco Diamond and Platinum Double-Clip Brooch, circa 1930
Est: $3,000 - 4,000
A Belle Époque Pair of Emerald, Diamond and Platinum Ear Pendants
Est: $6,000 - 8,000
A Pair of Diamond and White Gold Ear Studs
Est: $6,000 - 8,000
A Diamond and Platinum Ring
Est: $20,000 - 30,000
A Lady's Retro Diamond and Gold Bracelet Watch, Van Cleef & Arpels
Est: $40,000 - 60,000
A Canadian Diamond and White Gold Tennis Bracelet
Est: $24,000 - 34,000
A Gold 'Ballon Bleu' Wristwatch, Ref. WGBB0011, Cartier, circa 2017
Est: $15,000 - 18,000
An Emerald, Cultured Pearl, Diamond, Silver and Gold Necklace
Est: $36,000 - 46,000
A Gentleman's Stainless Steel 'Sea-Dweller D-Blue' Wristwatch, Ref. 126660, Rolex, circa 2018
Est: $9,000 - 13,000
An Unmounted Coloured Diamond
Est: $150,000 - 175,000
A Gentleman's Rose Gold 'Premier Excenter Time Zone' Wristwatch, Ref. 200-MMTZ39R, Harry Winston, circa 2005
Est: $20,000 - 30,000
A Diamond and Platinum Brooch, Tiffany & Co.
Est: $4,000 - 5,000
An Art Deco Diamond and Platinum Bracelet, circa 1920
Est: $16,000 - 24,000
An Emerald, Diamond and Gold Ring
Est: $5,000 - 7,000
An Art Deco Diamond and Platinum Bracelet, circa 1930
Est: $13,000 - 17,000
A Diamond, Platinum and Gold Pendant/Enhancer, Susan Clark
Est: $10,000 - 12,000
A Diamond and Gold Ring, Van Cleef & Arpels, circa 1991
Est: $3,000 - 4,000
A Diamond, Enamel and Platinum Pendant/Brooch
Est: $12,000 - 16,000
A Pair of Diamond and White Gold Ear Studs
Est: $36,000 - 46,000
A Pair of Emerald, Diamond and Platinum Ear Pendants
Est: $12,000 - 16,000
A Diamond and White Gold Bracelet, by Diafini
Est: $24,000 - 34,000
A Gentleman's Gold 'Cosmograph Daytona' Chronograph Wristwatch, Ref. 116528, Rolex, circa 2002
Est: $28,000 - 38,000
A Diamond and White Gold Ring, Cartier
Est: $8,000 - 12,000
A Diamond and Platinum Ring
Est: $30,000 - 40,000
A Ruby and Platinum Tennis Bracelet, Gattle, circa 1920
Est: $36,000 - 50,000
A Diamond and White Gold Ring
Est: $80,000 - 100,000
A Three-Stone Diamond and Platinum Ring, Tiffany & Co.
Est: $12,000 - 16,000
A Diamond and White Gold Bracelet
Est: $8,000 - 12,000
A Diamond and Gold Ring
Est: $50,000 - 70,000
A Pair of Coloured Diamond and White Gold Ear Studs
Est: $70,000 - 120,000
An Unmounted Sapphire
Est: $26,000 - 36,000
A Diamond and Platinum Necklace, Cartier
Est: $70,000 - 100,000
A Pair of Sapphire, Diamond and White Gold Earrings
Est: $3,000 - 4,000
A Fine Sapphire, Emerald, Diamond and Platinum Ring, Alexandre Reza
Est: $45,000 - 65,000
A Multi-Gem, Diamond and Platinum Pendant/Brooch
Est: $4,000 - 6,000
A Gentleman's Stainless Steel 'Sea-Dweller' Wristwatch, Ref. 126600, Rolex, circa 2017
Est: $8,000 - 12,000
An Art Deco, Diamond and Platinum Bracelet, circa 1930
Est: $5,000 - 7,000
A Victorian Diamond, Silver and Gold Convertible Necklace, circa 1870
Est: $12,000 - 16,000
A Lady's Diamond and Gold Bracelet Watch, Van Cleef & Arpels
Est: $16,000 - 20,000
A Diamond, Sapphire and White Gold Bracelet
Est: $6,000 - 8,000
A Ruby, Diamond and White Gold Brooch, by Mark Lash
Est: $14,000 - 18,000
A Sapphire, Diamond and White Gold Ring, Cartier
Est: $4,000 - 6,000
A Diamond and White Gold Tiara
Est: $10,000 - 14,000
A Gentleman's Gold 'Day-Date' Wristwatch, Ref. 18038, Rolex, circa 1987
Est: $18,000 - 24,000
A Diamond and Platinum Pendant Necklace, Tiffany & Co.
Est: $3,000 - 4,000
A Sapphire, Diamond, Platinum and Gold Ring
Est: $8,000 - 12,000
A Diamond and Platinum Ring, Cartier
Est: $30,000 - 40,000
An Antique Peridot, Split-Pearl, Platinum and Gold Brooch, Tiffany & Co., circa 1920
Est: $3,000 - 4,000
INVITATION TO CONSIGN
Considering selling your jewellery? Our specialized auction is the ideal solution for you. Whether it’s for financial reasons or simply to make room for new pieces, we can help. Contact us at the numbers below to arrange a confidential appointment or learn more.
416-968-7500 (Toronto)
1-800-879-8975 (rest of Canada)
+1 416-968-7500 (US and Overseas)
Request Estimate Online Guide to Sell at Auction