Lot 7

An Antique Diamond and Platinum Ring

The broad tapering band decorated with a trio of bezel-set old European-cut diamonds weighing approximately 1.80 carats, amid a finely pierced bombé ground accented by small diamonds weighing approximately 0.45 carat, in platinum, size 6 1/4

Estimate: $800-1,200 CAD

Lot 8

An Art Deco Diamond and Platinum Brooch

The small rectangular plaque with geometric arch terminals, centering a marquise-cut diamond weighing approximately 0.35 carat, further decorated with baguette-cut and round diamonds weighing approximately 1.55 carats, in platinum

Estimate: $1,200-1,500 CAD

Lot 11

An Art Deco Sapphire, Synthetic Sapphire, Diamond and Platinum Ring

Centering an emerald-cut sapphire weighing approximately 1.25 carats, framed by round diamonds weighing approximately 1.30 carats, amid scalloped calibré-cut lab-grown sapphire trim, the shoulders further accented by round diamonds, in platinum, size 7 3/4

Estimate: $1,400-1,800 CAD

Lot 12

A Belle Époque Diamond and Platinum Brooch

The finely pierced circular form of lace motif and decorated with old-cut diamonds weighing approximately 1.00 carat, in platinum

Estimate: $500-700 CAD

Lot 14

An Antique Diamond, Silver and Gold Brooch

The delicate lyre decorated with old-cut diamonds weighing approximately 1.15 carats, in silver and 14k gold

Estimate: $700-1,000 CAD

Lot 31

An Antique Ruby, Diamond and Pink Gold Bar Brooch

The dainty openwork bar set with a cushion-shaped ruby weighing approximately 0.45 carat, and diamonds weighing approximately 1.50 carats, in 14k pink gold

Estimate: $700-1,000 CAD

Lot 113

An Antique Diamond, Silver and Gold Bangle Bracelet

The hinged oval hoop centering a flowerhead amid tapering rows set with old European-cut diamonds weighing approximately 1.30 carats, in sliver and 14k gold, inner circumference 6 1/2 inches, with fitted box

Estimate: $900-1,300 CAD

Lot 115

An Antique Pearl, Diamond and Gold Pendant/Brooch

The large intricate oval form decorated with scrolling wirework, pearl and diamond-set floral and foliate motifs, suspending a pearl drop topped by a flowerhead and a vine, in silver and 18k gold (pearls not tested for natural origin)

Estimate: $1,000-1,400 CAD

Lot 116

An Antique Diamond, Platinum and Gold Ring

Centering an old mine-cut diamond weighing approximately 0.50 carat, between trios of old European-cut diamonds weighing approximately 0.45 carat, in platinum and 18k gold, size 7

Estimate: 800-1,200 CAD

Lot 269

An Antique Gem-Set and Gold Butterfly Brooch

The concave form fashioned as a butterfly decorated with rubies, sapphires, rose-cut diamonds and split-pearls, in sliver and 10k gold

Estimate: $700-900 CAD

Lot 270

An Art Nouveau Diamond, Platinum and Gold Necklace

The finely pierced floral wing-shaped plaque suspending a drop-shaped pendant, decorated with old European and rose-cut diamonds, in platinum and 18k gold, joined to a delicate later added 18k white gold chain, length 19 inches

Estimate: $800-1,200 CAD

Lot 450

An Art Nouveau Enamel, Pearl, Diamond and Gold Brooch/Pendant Necklace

The large frame centering three carved gold ladies, with elaborate plique-a-jour polychrome enamel motifs depicting leaves, a cloudy sky, a sailboat and water, with rose-cut diamonds and three pearls (not tested for natural origin), in 18k gold, suspending from an 18k pink gold chain accented by seed pearls, length 22 inches

Estimate: $2,000-3,000 CAD

Lot 511

An Antique Enamel, Split-Pearl, Diamond and Gold Pendant/Brooch

The small blossom fashioned as a violet, decorated with purple, yellow and black enamel and accented with a tiny old-mine-cut diamond and split-pearls, in 10k gold

Estimate: $400-600 CAD