Lot 74

An Art Deco Jadeite, Onyx, Diamond and Platinum Jabot Pin, by Lacloche Frères, circa 1920

Each broad terminal featuring a stylised geometric palmette plaque decorated with jadeite arches and onyx bars, further accented by pierced and stepped diamond-set motifs, mounted in platinum, signed Lacloche Frères, French assay marks

Estimate: $2,000-3,000 CAD

Lot 75

An Art Deco Diamond, Onyx and Platinum Ring, circa 1930

Centering a round diamond weighing 3.18 carats, each shoulder accented with a rectangular onyx panel and a trio of small round diamonds, mounted in platinum

With report 5202135346 dated 13 March 2019 from the Gemological Institute of America stating that the diamond is J colour, VS2 clarity

Estimate: $12,000-15,000 CAD

Lot 215

An Art Deco Onyx, Sapphire, Diamond and Platinum Brooch, by J.E. Caldwell & Co., circa 1925

The openwork rectangular onyx frame decorated with mitre-shaped terminals accented by sapphires and baguette-cut and round diamonds, mounted in platinum, signed JEC & Co. and numbered L4466

Estimate: $3,400-3,800 CAD

Lot 296

An Art Deco Diamond and Platinum Brooch, circa 1930

The large pierced geometric plaque centering an Asscher-cut diamond weighing approximately 1.25 carats, decorated throughout with round, old European and baguette-cut diamonds weighing approximately 10.80 carats, mounted in platinum

Estimate: $6,000-9,000 CAD

Lot 389

An Art Deco Jadeite, Diamond, Ruby and Platinum Dress Clip Brooch, circa 1925

The carved oval jadeite measuring 10.2 mm by 38.5 mm by 2.8 mm, depicting flowers and leaves, accented by trapezoid-cut and round diamonds and cabochon rubies, mounted in platinum
With report 5201259637 dated 8 May 2019 from the Gemological Institute of America stating that the jadeite jade is natural colour. No indications of impregnation.

Estimate: $4,600-5,000 CAD

Lot 290

An Art Deco Diamond, Emerald and Platinum Ring, circa 1920

The oval plaque centering a bezel-set old European-cut diamond weighing approximately 2.40 carats, amid a geometric slightly bombé ground decorated with round diamonds and calibré-cut emeralds, to diamond-set shoulders, mounted in platinum

Estimate: $5,000-6,000 CAD

Lot 222

An Art Deco Pair of Lapis Lazuli, Diamond and Platinum Ear Pendants, by Cartier, circa 1930

The pair of oval lapis lazuli drops suspending from articulated geometric stepped lines and stylised palmette surmounts decorated by round and square diamonds, mounted in platinum, signed Cartier and numbered 843

Estimate: $5,000-7,000 CAD

Lor 292

An Art Deco Emerald, Diamond and Platinum Ring, circa 1920

Centering a sugarloaf emerald weighing approximately 2.90 carats, flanked by tapering channels of calibré-cut emeralds, amid scalloped diamond borders, mounted in platinum

Estimate: $3,000-4,000 CAD