Lot 477

An Art Deco Diamond and Platinum Bracelet, Raymond Yard

The elaborate strap decorated with round and single-cut diamonds weighing approximately 14.00 carats, in platinum, signed Yard and numbered 12041, circa 1930

Estimate: $28,000-38,000 CAD

Lot 65

An Antique Diamond, Silver and Gold Necklace

Featuring a floral fringe decorated with old-cut diamonds weighing approximately 8.60 carats, joined to a bar link chain accented by old mine-cut diamonds, in silver and 14k gold, later rhodium plated, length 15 inches, with fitted box, circa 1900

Estimate: $10,000-14,000 CAD

Lot 174

A Retro Aquamarine, Diamond, Platinum and Gold Bangle Bracelet

Featuring twin flowerheads and arched connectors, set with a pair of squared emerald-cut aquamarines weighing approximately 18.00 carats, further decorated with pear-shaped and emerald-cut aquamarines and round diamonds, in platinum, and 18k white and yellow gold, inner circumference 6 inches, hinged

Estimate: $8,000-12,000 CAD

Lot 61

An Antique Ruby, Diamond and Platinum Ring, Ellis Bros.

Set with an oval ruby weighing approximately 2.00 carats, between a pair of old European-cut diamonds weighing approximately 2.00 carats, accented by smaller diamonds, in platinum, size 5, circa 1925

Estimate: $6,000-8,000 CAD

Lot 323

An Art Deco Sapphire, Diamond, Pearl and Platinum and Gold Bracelet, by Louis Aucoc

The series of navette-shaped panels set with calibré-cut sapphires amid old-cut diamond borders, alternated with pearls, in platinum and 18k gold, with French assay marks, maker’s mark for Louis Aucoc, length 8 inches, with original box, circa 1920

Estimate: $20,000-30,000 CAD

Lot 22

An Art Deco Ruby, Diamond and Platinum Ring

Set with a octagonal ruby weighing approximately 1.50 carats, accented by baguette-cut rubies, round and baguette-cut diamonds, in platinum, circa 1930

Estimate: $3,400-4,400 CAD

Lot 20

An Art Deco Natural Pearl, Emerald, Diamond and Platinum Brooch

The geometric plaque set with a natural pearl measuring 6.9 mm, a rectangular emerald weighing approximately 0.65 carat, accented with old European-cut, rose-cut and single-cut diamonds weighing approximately 2.95 carats, in platinum

With report 7512963779 dated 2 May 2025 from the Gemological Institute of America stating natural saltwater pearl. No indications of treatment.

Estimate: $2,000-3,000 CAD

Lot 154

An Art Deco Diamond and Platinum Bracelet

The elaborate pierced strap decorated with a trio of marquise-cut diamonds, and numerous round and single-cut diamonds, the diamonds totalling approximately 10.00 carats, in platinum, length 7 inches, circa 1920

Estimate: $20,000-30,000 CAD

Lot 21

An Art Deco Emerald, Diamond and Platinum Bracelet

The strap featuring a wave pattern set with square emeralds weighing approximately 0.95 carat, round and old-cut diamonds weighing approximately 5.00 carats, in platinum, length 6 3/4, circa 1920

Estimate: $5,000-7,000 CAD

Lot 486

An Art Deco Enamel, Diamond and Gold Compact

Featuring enameled panels resembling lapis lazuli, decorated on top with a geometric black enamel rectangle, black enamel frame with rose-cut diamond palmettes on the corners, opening to reveal a mirror, two powder compartments and a detachable lipstick holder, in 14k gold and platinum, circa 1925

Estimate: $5,000-7,000 CAD

Lot 454.02

A Belle Époque Diamond, Platinum and Gold Necklace

The delicate ribbon bow design set with old pear-shaped, old single-cut, old mine-cut and rose-cut diamonds totalling approximately 1.50 carats, in platinum and 14k gold, length 17 inches, circa 1910

Estimate: $2,000-3,000 CAD

Lot 73

An Art Deco Diamond and Platinum Bracelet

The elaborate strap decorated with round, single-cut, Swiss-cut, and baguette-cut diamonds weighing approximately 14.00 carats, in platinum, length 7 1/2 inches, circa 1930

Estimate: $12,000-16,000 CAD