Lot 18

An Art Nouveau Emerald, Diamond, Enamel and Gold Ring, by Marcus and Co., circa 1900

Fashioned with elaborate intricate scrolling wirework with a green guilloché enamel ground, decorated with an emerald-cut emerald weighing approximately 2.50 carats, a yellow marquise-cut diamond weighing approximately 1.50 carats, a trio of old mine-cut diamonds weighing approximately 2.65 carats, and a pear shaped double-rose-cut diamond weighing approximately 0.40 carat, in 18k gold, size 5 3/4

Estimate: $30,000-40,000 CAD

Lot 59

A Belle Époque Aquamarine, Diamond and Platinum Pendant Necklace, circa 1910

The large scalloped frame surrounding a suspended cushion-shaped aquamarine weighing approximately 20.00 carats, further embellished by ribbon bow motifs, set with old-cut diamonds weighing approximately 2.25 carats, joined to a fancy linking chain accented by small pearls, in platinum, length 16 1/2 inches

Estimate: $14,000-16,000 CAD

Lot 27

A Retro Aquamarine, Ruby, Diamond, Platinum and Two-Tone Gold Bracelet, circa 1940

Featuring an emerald-cut aquamarine weighing approximately 35.00 carats, between ruby and diamond arches joined to scrolling links and double serpentine linking chains, in platinum, 14k pink and yellow gold, length 7 1/4 inches

Estimate: $5,000-7,000 CAD

Lot 67

An Art Deco Diamond and Platinum Bracelet, circa 1930

The strap featuring a trio of articulated geometric openwork panels alternated with circular links, entirely decorated with round and baguette-cut diamonds weighing approximately 14.75 carats, in platinum, length 7 1/2 inches

Estimate: $12,000-16,000 CAD

Lot 20

A Diamond and Platinum Double-Clip Brooch, circa 1960

The large navette-shaped bombé form composed of a pair of finely pierced shield-shaped plaques set with round diamonds and baguette-cut diamonds weighing approximately 8.90 carats, in platinum

Estimate: $10,000-14,000 CAD

Lot 132

An Antique Turquoise, Diamond, Silver and Gold Necklace, circa 1860

Fashioned as a serpentine dragon, its highly flexible attenuating body entirely set with round turquoises, joined to a pavé-set turquoise head with jagged teeth, further embellished by diamond-set nose and eyebrows, and garnet eyes, in silver and 14 gold, length 16 inches, with fitted box, mid 19th century

Estimate: $8,000-12,000 CAD

Lot 98

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

Centering an old European-cut diamond weighing 2.00 carats, the circular frame set with tiny rose-cut diamonds and a black enamel scalloped motif, to a gallery pierced with foliate motifs, in platinum, size 7 3/4

Estimate: $8,000-12,000 CAD

Lot 225

An Art Nouveau Emerald and Gold Ring, by Tiffany & Co., circa 1890

The heavy bold design featuring a cabochon emerald weighing approximately 6.75 carats, amid broad sculpted pansies and acanthus leaf shoulders, in 18k gold, size 4 3/4

Estimate: $5,000-7,000 CAD

Lot 87

A Diamond and Platinum Brooch, circa 1930

Fashioned as a large scalloped form centering a round diamond weighing approximately 0.95 carat, between a pair of old European-cut diamonds weighing approximately 1.05 carats, amid elaborate pierced fans, mitres, circles, arches and scrolling ribbons and further decorated with round diamonds weighing approximately 8.50 carats, in platinum

Estimate: $5,000-7,000 CAD

Lot 60

An Art Deco Jadeite, Diamond and Platinum Bracelet, circa 1930

Of Japonisme inspiration, the four strands comprising eighty-four jadeite beads graduated from 8.4 mm to 3.8 mm, attached to an openwork geometric twin buckle-motif clasp featuring an oval carved jadeite depicting a bird amongst flowers, the odeonesque arches and cylinders accented by Swiss-cut and baguette-cut diamonds, in platinum, length 8 inches

Estimate: $14,000-18,000 CAD

Lot 678

Antique Garnet, Seed Pearl, Diamond and Gold Pendant/Brooch, circa 1870

Featuring a garnet carbuncle, decorated with an old mine-cut diamond floral motif, seed pearls, black enamel and beadwork
• Garnet estimated weight 90.00 carats
• Diamonds estimated weight 0.65 carat
• Dimensions 33 x 46 mm
• In 14k gold

Estimate: $500-700 CAD