Lot 255

A Ruby, Diamond, Platinum and White Gold Brooch, Cavelti

The undulating bombé plaque decorated with curved rows of rubies weighing approximately 11.50 carats, and round diamonds weighing approximately 1.60 carats, mounted in platinum and 18k white gold, signed Cavelti, with original box

Estimate: $3,600-$4,600

Lot 399

A Gold Necklace, Secrett

The oval and round medallions depicting mythological figures of Greco-Roman Antiquity, including Muses, a centaur and the head of Medusa, in matte and polished 14k gold, length 20 1/2 inches

Estimate: $4,600-$5,500

Lot 15

A Tanzanite, Diamond, Platinum and Gold Bracelet, Cavelti

Comprising six emerald-cut tanzanites weighing approximately 19.00 carats, amid bombé frames of pavé-set diamonds accented by arched curved loops, alternated by baguette-cut diamond arch connectors, the diamonds altogether weighing approximately 13.00 carats, mounted in platinum and 18k gold, length 6 3/4 inches, signed Cavelti

Estimate: $6,000-$8,000

Lot 178

A Diamond, Platinum and Two-Tone Gold Ring and a Band, by Claude Thibaudeau

The overlapping curved bands set with a round diamond weighing 1.70 carats, accented by small round diamonds; together with a fitted band further set with small round diamonds, mounted in platinum and 18k pink gold
With information available online from the Gemological Institute of America referencing report number 15715910 dated 24 January 2007 stating that the diamond is F colour, VS1 clarity

Estimate: $12,000-$16,000

Lot 34

A Gem-Set and Gold Bangle Bracelet, Karl Stittgen

The large bold bangle of elaborate organic and highly dimensional design, decorated on the top with a druzy chalcedony geode panel, a pear-shaped cabochon emerald weighing approximately 6.80 carats, variously-shaped cultured pearls, sprinkled with bezel-set diamonds, rubies and a cabochon sapphire push button clasp, in 18k gold, signed Stittgen, inner circumference 6 3/8 inches

Estimate: $5,000-$7,000

Lot 13

A Pair of Tanzanite, Diamond, Platinum and Gold Earclips, Cavelti

Set with a pair of oval tanzanites weighing approximately 4.60 carats, amid bombé frames of pavé-set diamonds accented by arched curved loops, mounted in platinum and 18k gold, signed Cavelti

Estimate: $1,200-$1,500

Lot 158

An Emerald, Diamond and Platinum Ring, Cavelti

The broad square plaque centering an emerald-cut emerald weighing approximately 1.90 carats, atop a wirework gallery, framed by round diamonds weighing approximately 1.75 carats, mounted in platinum, signed Cavelti

Estimate: $1,200-$1,500

Lot 137

A Diamond and Gold Pendant/Brooch, by Andrew Jordan

The large stylised ‘Tree of Life’ motif set with ten round diamonds weighing 10.11 carats, with matte textured geometric lines depicting the branches and tree trunk, mounted in 18k gold; accompanied by a large, specially commissioned hinged fitted original box composed of rhodonite

Estimate: $36,000-$46,000

Lot 66

A Ruby, Diamond and Platinum Ring, Birks

The stylised Toi et Moi motif with an off-set asymmetrical floral design, set with a cushion-shaped ruby weighing approximately 1.65 carats, beside a round diamond weighing approximately 0.80 carat, further accented by round diamonds, mounted in platinum

Estimate: $1,600-$2,000

Lot 152

A Diamond and Platinum Brooch, Birks

The large elongated floral and ribbon spray entirely decorated by round, marquise-cut, baguette-cut and pavé-set diamonds altogether weighing approximately 16.00 carats, mounted in platinum

Estimate: $8,000-$10,000

Lot 173

A Sapphire, Aquamarine, Diamond and Gold Necklace, Beni Sung

The asymmetrical overlapping front centering an elaborate cluster decorated with sapphires, aquamarines and round diamonds, atop a fluted ropetwist swirl, joined to articulated curved polished bars, in 18k gold, inner circumference 17 inches

Estimate: $3,000-$4,000

Lot 202

An Opal, Diamond and Gold Pendant/Brooch, Cavelti

The large and elongated geometric form featuring an opal measuring 32.0 mm by 26.0 mm by 4.7 mm, accented by overlapping angular knife-edge bars sprinkled with ten round diamonds weighing approximately 1.50 carats, with tiny molten motif accents, mounted in 18k gold, signed Cavelti

Estimate: $1,200-$1,500

Lot 254

A Pair of Ruby, Diamond and Platinum Ear Clips, Cavelti

Set with a pair of oval rubies weighing approximately 3.80 carats, amid undulating asymmetrical frames of marquise-cut diamonds weighing approximately 4.20 carats, mounted in platinum, signed Cavelti

Estimate: $2,800-$3,400

Lot 185

A Diamond and Gold Pendant/Brooch, Cavelti

The broad triangular form with a trio of concave areas alternating hammered, stepped and stippled texture, accented by a graduated bifurcated row of round diamonds, in 18k gold, signed Cavelti

Estimate: $1,300-$1,700