Lot 480

An Antique Diamond, Silver, Gold and Platinum Necklace, circa 1920

Featuring an old European-cut diamond weighing 18.02 carats, accented by old-cut diamonds, in silver and 14k gold, joined to a platinum chain, length 24 1/2 inches

With report 5231266634 dated 23 April 2024 from the Gemological Institute of America stating Y to Z colour, VS2 clarity

Estimate: $100,000-140,000 CAD

Lot 407

A Diamond and Platinum Ring, Christopher Designs

Set with a Crisscut diamond weighing 6.04 carats, flanked by a pair of trapezoid-cut diamonds weighing approximately 2.40 carats, the shoulders accented by round diamonds, in platinum, signed Crisscut and numbered S3126, size 6 1/4

With copy of report 1162992632 dated 4 February 2015 from the Gemological Institute of America stating K colour, VS2 clarity

Estimate: $70,000-100,000 CAD

Lot 377

A Diamond Solitaire and Platinum Ring

Set with an old European-cut diamond weighing 8.59 carats, in platinum, size 10

With report 2239091456 dated 18 October 2023 from the Gemological Institute of America stating that the diamond is N colour, SI1 clarity

Estimate: $40,000-60,000 CAD

Lot 409

An Unmounted Diamond

The old European-cut diamond measuring 12.92 mm by 13.09 mm by 7.67 mm and weighing 8.28 carats

With report 1236091437 dated 18 October 2023 from the Gemological Institute of America stating that the diamond is M colour, SI2 clarity

Estimate: $34,000-44,000 CAD

Lot 479

A Diamond Solitaire and White Gold Ring

Set with a round diamond weighing approximately 3.30 carats, in 14k white gold, size 6 3/4

Estimate: $34,000-44,000 CAD

Lot 411

An Unmounted Diamond

The round diamond measuring 13.00 x 13.10 x 7.74 mm and weighing 8.28 carats

Estimate: $30,000-40,000 CAD

Lot 396

A Pair of Diamond and White Gold Ear Studs

Set with a pair of round diamonds weighing 2.36 carats and 2.35 carats, accented by tiny round diamonds weighing approximately 0.40 carat, in 18k white gold

Estimate: $16,000-20,000 CAD

Lot 193

A Diamond and Platinum Ring

Set with an emerald-cut diamond weighing approximately 3.55 carats, amid shoulders of graduated baguette diamonds weighing approximately 1.60 carats, in platinum, approximate size 4 1/2 to 5 1/2, with sizing panel

Estimate: $18,000-24,000 CAD

Lot 487

An Unmounted Coloured Diamond

The cushion-shaped diamond measuring 8.54 mm by 7.75 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: $15,000-20,000 CAD

Lot 448

A Diamond, Silver and Gold Pendant

The interior drop suspending a round diamond weighing 4.51 carats from a round diamond weighing approximately 0.65 carat, accented by old European-cut and round diamonds weighing approximately 3.20 carats, in silver and 14k gold

With report 6207990033 dated 28 May 2020 from the Gemological Institute of America stating U-V colour, VS2 clarity

Estimate: $15,000-20,000 CAD

Lot 401

A Pair of Diamond and Platinum Ear Studs

Set with two princess-cut diamonds weighing approximately 3.00 carats, in platinum

Estimate: $14,000-18,000 CAD

Lot 397

A Diamond and Platinum Ring and Gold Jacket

Set with a round diamond weighing 2.49 carats, accented by two baguette-cut diamonds, in platinum, size 5 1/4, accompanied by a 14k gold jacket, size 5 1/2

With copy of report 10649145 dated 23 June 1999 from the Gemological Institute of America stating F colour, SI1 clarity.

Estimate: $13,000-17,000 CAD

Lot 477

A Diamond and Platinum Ring

Set with a pear-shaped diamond weighing approximately 2.65 carats, accented by two tapered baguette-cut diamonds, in platinum, size 6

Estimate: $12,000-16,000 CAD

Lot 435

A Diamond and Platinum Ring

Set with a round diamond weighing approximately 2.15 carats, flanked by a pair of baguette-cut diamonds, in platinum, size 8

Estimate: $10,000-14,000 CAD

Lot 99

A Diamond Solitaire and White Gold Ring and Two Bands

The swirl design set with a round diamond weighing 2.51 carats, size 3 1/2, accompanied by two fitted bands, size 3 3/4, each in 14k white gold

With report 2145541017 dated 22 March 2012 from the Gemological Institute of America stating that the diamond is J colour, SI2 clarity

Estimate: $10,000-12,000 CAD

Lot 478

A Three-Stone Diamond and Platinum Ring

Set with a trio of round and old European-cut diamonds weighing approximately 5.60 carats, in platinum, size 5 1/2

Estimate: $10,000-14,000 CAD

Lot 97

A Diamond Solitaire and White Gold Pendant Necklace

The swirl design set with a round diamond weighing 2.24 carats, in 14k white gold, length 17 3/4 inches

With report 1139744774 dated 3 August 2012 from the Gemological Institute of America stating that the diamond is J colour, SI2 clarity

Estimate: $9,000-11,000 CAD

Lot 288.07

A Diamond, Platinum and Gold Contoured Necklace, Cavelti

Centering a pear-shaped diamond drop weighing approximately 3.00 carats, suspending from polished curved bars, and accented by round diamonds, in platinum and 18k gold, signed Cavelti, inner circumference 13 1/2 inches, with box

Estimate: $10,000-12,000 CAD

Lot 131

A Pair of Diamond and Gold Ear Pendants

The bezel-set designs featuring a pair of round diamonds weighing approximately 3.00 carats, and a smaller pair of round diamonds weighing approximately 0.70 carat, in 18k gold

Estimate: $6,000-8,000 CAD

Lot 462

A Diamond Solitaire and White Gold Ring, Carl Bucherer

Set with a round diamond weighing 3.03 carats, in 18k white gold, signed CB, size 6 3/4

Estimate: $8,000-12,000 CAD