An Antique Diamond, Ruby and Enamel Snake Bangle Bracelet

The quintuple hinged bangle designed as a coiling serpent decorated throughout with green enamel and accented by scale textured plaques, with fangs and bifurcated tongue, the head set with a pear-shaped old mine-cut diamond weighing approximately 1.15 carats, amid smaller old mine-cut diamonds, with cabochon ruby eyes, mounted in 18k gold, inner circumference 6 1/4 inches

Estimate: $9,000 – $13,000

An Onyx and Gold ‘Alhambra’ Necklace, by Van Cleef & Arpels

The series of ten black onyx quatrefoil stations within beaded frames, alternating with a trace linking chain, mounted in 18k gold, signed VCA and numbered JE243943, with original necklace holder, length 16 1/2 inches

Estimate: $4,000 – $6,000

A Diamond and White Gold Ring

Set with a square diamond weighing 3.59 carats, the frame and slender shoulders accented by round diamonds, mounted in 18k white gold
With report 0201300068047 dated 7 December 2014 from Forevermark stating that the diamond is G colour, VS1 clarity

Estimate: $40,000 – $60,000

An Antique Pair of Amethyst, Diamond, Silver and Gold Earrings

Centering a a pair of cushion-shaped amethysts weighing approximately 32.00 carats, framed by old European and old mine-cut diamonds weighing approximately 3.35 carats, mounted in silver and 14k gold

Opening Bid: $1,800 – $2,200

A Diamond and White Gold Ring

The modern Toi et Moi design of architectural inspiration, the broad band set asymmetrically with a round diamond weighing 3.45 carats, and a round diamond weighing approximately 1.00 carat, accented by a figure-8 motif of round diamonds and polished curves, to openwork shoulders, mounted in 19k white gold, size 5 1/4
With report 6107906266 dated 9 July 2009 from the Gemological Institute of America stating the diamond weighing 3.45 carats is G colour, VS2 clarity

Estimate: $50,000 – $60,000

An Antique Emerald, Diamond and Silver Brooch with Interchangeable Pendants

The brooch surmount composed of a large cushion-shaped emerald cabochon weighing approximately 79.00 carats, accented by four old mine-cut diamonds weighing approximately 1.20 carats, to a detachable rose-cut diamond floral bow motif; with a pyramidal emerald drop weighing approximately 63.00 carats and an elongated emerald drop weighing approximately 45.00 carats, each with rose-cut diamond-set caps; mounted in silver

Estimate: $6,000 – $8,000

A Diamond and Platinum Clip Brooch

The asymmetrical ribbon spray decorated by a quartet of marquise-cut diamonds and a graduated curve of round diamonds amid scrolling and waterfall baguette-cut diamond sashes, further accented by articulated pear-shaped diamonds, the diamonds altogether weighing approximately 18.90 carats, mounted in platinum

Estimate: $30,000 – $40,000

An Emerald, Diamond, Platinum and White Gold Ring

The curved plaque centering a rectangular emerald weighing approximately 0.50 carat, amid a quartet of old European-cut diamonds weighing approximately 1.65 carats, further embellished by graduated rows of smaller diamonds, mounted in platinum and 18k white gold

Estimate: $2,600 – $3,600

A Diamond and Two-Tone Gold Pendant Necklace

Featuring a pyramidal pendant set at the bottom with a princess-cut diamond weighing approximately 5.00 carats, topped by a small round diamond, joined to an extra long chain accented by 365 bezel-set round yellow and round diamonds, mounted in 18k white and yellow gold, length 72 inches; accompanied by a specially commissioned granite box designed by acclaimed sculptor Thom McPhee, the hinged pyramid revealing a deep central compartment, the central opening framed in 14k gold

Estimate: $48,000 – $60,000

A Diamond and Platinum Brooch

The triple hoop design decorated with twenty-six round diamonds weighing approximately 11.00 carats, mounted in platinum

Estimate: $8,000 – $12,000

A Cultured Pearl, Diamond and Platinum ‘Aria’ Necklace, by Tiffany & Co.

The continuous course of cultured pearls measuring 6.5-7.0 mm alternated with triads of round diamonds, mounted in platinum, signed Tiffany & Co., with original suede pouch, length 16 1/2 inches

Estimate: $10,000 – $12,000