Lot 390

A Diamond and Platinum Ring

Set with a princess-cut diamond weighing 10.08 carats, between two trilliant-cut diamonds weighing approximately 1.65 carats, in platinum, size 6 1/2

With report 13336563 dated 10 August 2017 from the Gemological Institute of America stating that the diamond is J colour, SI1 clarity

Estimate: $100,000-140,000 CAD

Lot 407

A Fine Diamond and Platinum Ring, Tiffany & Co.

Set with a cushion-cut diamond weighing 5.22 carats, accented by round diamonds, signed Tiffany & Co., and numbered 22565443, in platinum, with original box, size 6

With diamond certificate 22565443/H12290368 by Tiffany & Co., stating that the diamond is I colour, VS1 clarity

Estimate: $70,000-90,000 CAD

Lot 409

A Twin-Stone Coloured Diamond Ring and Four Diamond, Ruby and Gold Bands

The wide frosted band featuring two radiant-cut yellow diamonds weighing 2.61 carats and 2.69 carats, accented with round diamonds, and two eternity bands set with square diamonds weighing approximately 5.00 carats, and two half-eternity bands set with calibré-cut rubies weighing approximately 3.00 carats, in 18k gold, size 6 1/2

Estimate: $34,000-44,000 CAD

Lot 386

A Diamond and Platinum Ring and a Pair of Bands

Set with a rectangular step-cut diamond weighing 4.29 carats, flanked on either side by a baguette-cut diamond, accompanied by two fitted bands accented with baguette-cut diamonds, in platinum, size 4 3/4

With report 6227722560 dated 10 November 2022 from the Gemological Institute of America stating I colour, SI1 clarity.

Estimate: $30,000-40,000 CAD

Lot 417

An Unmounted Diamond

The emerald-cut diamond measuring 9.12 mm by 7.36 mm by 5.16 mm, and weighing 3.04 carats

With report 1269941 dated 13 May 1981 from the Gemological Institute of America stating that the diamond is E colour, VVS2 clarity.

Estimate: $30,000-40,000 CAD

Lot 247

A Diamond and Platinum Ring

Set with a round diamond weighing 3.04 carats, accented by a pair of marquise-cut diamonds, in platinum, size 5-6 with sizing panel

With report 1236421832 dated 23 October 2024 from the Gemological Institute of America stating that the diamond is H colour, VS1 clarity

Estimate: $28,000-38,000 CAD

Lot 145

A Diamond and Platinum Ring

Set with a marquise-cut diamond weighing approximately 2.75 carats, accented by two baguette-cut diamonds weighing approximately 0.50 carat, in platinum, size 8 1/2

Estimate: $13,000-16,000 CAD

Lot 52

A Diamond and Platinum Ring

Set with a cushion-shaped diamond weighing 4.03 carats, accented by round diamonds weighing approximately 0.60 carat, in platinum, size 5 1/2

Estimate: $13,000-16,000 CAD

Lot 387

A Pair of Diamond and Platinum Day/Night Earrings

Featuring a pair of old European-cut and round diamonds weighing approximately 3.60 carats, suspending a pair of smaller old European-cut diamonds weighing approximately 2.10 carats, each accented by round diamonds, in platinum

Estimate: $12,000-16,000 CAD

Lot 224

A Diamond and Gold Ring

Set with a round diamond weighing 2.02 carats, flanked by two round diamonds weighing approximately 1.00 carat, in 18k yellow gold, rhodium plated, size approximately 6 1/2 with sizing panel

With report 16310953 dated 23 August 2007 from the Gemological Institute of America stating that the diamond is F colour, SI1 clarity

Estimate: $11,000-14,000 CAD

Lot 46

A Three-Stone Diamond and Platinum Ring

Set with three round transitional-cut diamonds weighing approximately 5.45 carats, in platinum, size 5 1/4

Estimate: $10,000-12,000 CAD

Lot 415

An Unmounted Coloured Diamond

The cushion-shaped fancy yellow diamond measuring 8.54 mm by 7.77 mm by 5.94 mm and weighing 3.65 carats

With report 2231293615 dated 21 May 2024 from the Gemological Institute of America stating that the diamond is fancy yellow, natural colour, SI1 clarity.

Estimate: $10,000-15,000 CAD

Lot 133

A Diamond, Platinum and Gold Ring

Set with a round diamond weighing 3.05 carats, accented by two round diamonds weighing approximately 1.40 carats, in platinum and yellow gold, size 5 3/4

Estimate: $10,000-14,000 CAD

Lot 245

A Diamond Solitaire and Gold Ring, Cavelti

Set with a round diamond weighing 2.89 carats, in platinum and 18k gold, size 5 3/4

Estimate: $10,000-12,000 CAD

Lot 151

A Pair of Diamond and Platinum Ear Pendants

Suspending a pair of pear-shaped diamonds weighing approximately 3.20 carats, topped by round and baguette-cut diamonds weighing approximately 0.65 carat, in platinum

Estimate: $8,000-12,000 CAD

Lot 158

A Coloured Diamond, Platinum and Gold Ring

Set with an oval light yellow diamond weighing approximately 3.90 carats, accented by round diamonds weighing approximately 0.85 carat, in platinum and 18k gold, size 6

Estimate: $8,000-12,000 CAD

Lot 394

A Coloured Diamond and White Gold Ring

Set with a cushion-shaped fancy purple-pink diamond weighing 0.47 carat, accented by round diamonds weighing approximately 1.20 carats, in 18k white and pink gold, size 5

With copy of report 2175581819 dated 18 November 18 2019 from the Gemological Institute of America stating that the diamond is fancy purple-pink, natural colour.

Estimate: $7,500-9,500 CAD

Lot 369

A Diamond and Platinum Ring

Centering an old mine-cut diamond weighing 2.76 carats, set between a smaller old mine-cut diamond and an old European-cut diamond, together weighing approximately 1.55 carats, in platinum, size 5 1/2 with sizing beads

Estimate: $7,000-10,000 CAD

Lot 17

A Diamond Solitaire and Platinum Ring

Set with a round diamond weighing 2.06 carats, in platinum, size 6 1/2

Estimate: $6,000-8,000 CAD

Lot 18

A Diamond and White Gold Ring and Jacket

Set with a round diamond weighing approximately 1.70 carats, accented by smaller round diamonds weighing approximately 0.60 carat, accompanied by a diamond-set jacket, in 18k white gold, size 8

Estimate: $5,000-7,000 CAD