GLEN COVE, NY.- Roland Auctions NY will feature an important collection of jewelry and signature pieces from a Water Mill, NY private collection on October 17th, 2026 at 10am, also offering hundreds of lots of Fine Art & Sculpture, Decorative Art, 20th-Century Modern, Antique & Vintage Furniture, Textiles, Silver, Furs and Couture, Rugs, Collectibles and Asia. Previews for the September 19th auction will be held on Thursday, October 15th and Friday, October 16th from 10am until 6pm.


Tiffany & Co. lapis lazuli, diamond and 18K yellow gold pendant brooch. Est $2,500 USD - $3,500 USD.

Fine jewelry highlights from this Water Mill, NY collection being offered at Roland Auctions will include pieces by Tiffany, Angela Cummings, Jean Schlumberger, Bulgari, Gurhan 24 K gold items, Buccellati, Mauboussin, and Cartier, with a Patek Philippe 18K yellow gold and diamond Collection 4 Wristwatch with brown dial, integrated gold band, diamond accents and quartz movement, dial, case reverse and clasp marked with makers mark and gold standard 750. Est: $15,000 USD - $25,000 USD, a 14K Yellow gold, diamond and baroque cultured pearl necklace, of semirigid construction, the hammered finish accented with lines of diamonds punctuated with baroque cultured pearls, 145 round brilliant-cut diamonds, total approximately 9.00 carats, mark to reverse on plaque 585. Est: $8,000 USD - $12,000 USD, an Art Deco diamond and French-cut sapphire straight line bracelet, circa 1925, the flexible band set with sixteen round diamonds, total approximately 4.80 carats, punctuated by French sapphires, within engraved sides, numbered 6301. Est: $7,000 USD - $9,000 USD and an Art Deco diamond and sapphire bracelet, the flexible band with engraved sides, with old mine diamond saped by French-cut sapphires, 157 old mine diamonds, total approximately 7.60 carats, mounting numbered 9920. Est: $5,000 USD - $6,000 USD.


Jean Schlumberger for Tiffany & Co. 18K yellow gold and topaz ring. Est $6,000 USD - $10,000 USD.

Also featured is a Jean Schlumberger for Tiffany & Co. 18K yellow gold and topaz ring, the wrapped band with cushion-shaped topaz, measuring 13.5 x 14.5 x 8.5mm., bearing plaque Schlumberger 18K Tiffany. [13.34 dwt., Ring size 6.5]. Overall condition is good, abrasions along facet junction, topaz displays brownish red to pink/purple red, very saturated. Est: $6,000 USD - $10,000 USD, a Chopard two "Ice Cube" 18K gold and diamond rings, of eternity-design, comprising a yellow gold band set with eleven diamonds, and a red gold band with a single diamond, both engraved with numbers and AUG 750. [4.46 dwt., Ring sizes 8.75 (yellow) and 9.75 (rose)]. Est: $1,000 USD - $1,500 USD and a Buccellati 18K tricolored gold brooch realistically modeled, engraved on the reverse Ginamaria Buccellati 18K. Est: $1,500 USD - $2,500 USD.


Harvey Mace 14K gold and turquoise bangle bracelet. Est $3,000 USD - $5,000 USD.

Additional pieces are a Sapphire, diamond and platinum ring, of classic three-stone design, the one oval-shaped sapphire, 13.05 x 10.65 x 6mm, approximately 6.15 carats, flanked by two trillion-cut diamonds, total approximately 1.50 carats, marked .07% Irid. [Ring size 6.25]. Property from a Water Mill, NY Estate. Est: $6,000 USD - $8,000 USD, a Tiffany & Co. lapis lazuli, diamond and 18K yellow gold pendant brooch, the kite shaped field of cabochon lapis lazuli and forty-four round brilliant-cut diamonds, total approximately 5.25 carats, accented by a textured gold mounting, marked on the pendant loop T & Co. |Property from a Water Mill, NY Estate. Est: $2,500 USD - $3,500 USD and a Harvey Mace 14K gold and turquoise bangle bracelet, the cuff graduating and centered by a turquoise tablet, enhanced with traditional Navajo designs, marked to interior 14K H. Mace and penned Nevada Blue. [53 dwt.] Est: $3,000 USD - $5,000 USD.


Attributed to Valerio Adami (Italian, B. 1935) acrylic on canvas. Est $20,000 USD - $40,000 USD.

Contemporary Art is also well represented, with an Attributed to Valerio Adami (Italian, B. 1935) acrylic on canvas, depicting figures within a surrealistic landscape incorporating a tower and clock, with multiple distinct scenes presented within a single composition. Est: $20,000 USD - $40,000 USD, an Attributed to Valerio Adami (Italian, B. 1935) acrylic on canvas depicting a seated green pilgrim-like figure holding a poster beside a perched owl, with a house in the distance beneath a night sky. No visible signature. Est. $20,000 USD - $40,000 USD and a Caio Fonseca (American, B. 1959) abstract gouache on paper, "Fifth Street P10.21," 2010, rendered in shades of red with contrasting geometric and curvilinear forms. Signed lower right "CAIO". The Drawing Room, East Hampton, New York gallery label affixed to verso, inventory no. CF5120. Provenance: The Drawing Room, East Hampton, New York, Autumn Salon, November 10 - December 24, 2011. Est: $7,000 USD - $9,000 USD.


George Nakashima (American, 1905-1990) walnut lounge chair rocker, 1970s. Est $15,000 USD - $18,000 USD.

Notable lots in Modern furniture will include a George Nakashima (American, 1905-1990) walnut lounge chair rocker, 1970s, with marker inscription to underside Est: $15,000 USD - $18,000 USD, a Reinhold Adolf & Hans-Jorgen Schropfer for COR "Sinus" leather and spring steel lounge chair and ottoman, designed in 1976 in Germany, designed with cream leather bolsters and spring steel runners. Est: $1,500 USD - $2,500 USD, a De Sede green leather swivel "DS-0255" model armchair with weighted brushed metal base, Swiss, probably last half of the 20th century, bearing "S" shaped logo. Est: $1,000 USD - $1,500 USD and a De Sede DS-116 contemporary leather sectional soda, 21st century, in five sections, marked De Sede to upholstery where joined. Est: $800 USD - $1,500 USD.


Stieff sterling silver Williamsburg Shell pattern.flatware service. Est $4,000 USD - $6,000 USD

Also, featured in the silver arena is a Stieff sterling silver "Williamsburg Shell" pattern flatware service, comprising nineteen dinner knives, sixteen dinner forks, sixteen tablespoons, seventeen dessert forks, nineteen teaspoons, pair of serving spoons, and serving fork, mark to back of handle. [Total 111.5 ozt. excluding knives]. Est: $4,000 USD - $6,000 USD.


Caio Fonseca (American, B. 1959) abstract gouache on paper, Est $7,000 USD - $9,000 USD.

And in books, they are featuring a Helmut Newtown Taschen Sumo Edition, published 1999, edition 9835/10,000 signed Helmut Newton to publication page, and with a Helmut Newton marked chromed metal stand designed by Philippe Starck, marked Starck to reverse. Est: $2,000 USD - $4,000 USD.


14K Yellow gold, diamond and baroque cultured pearl necklace. Est $8,000 USD - $12,000 USD.

**Please join us at Roland NY at 150 School Street in Glen Cove, NY for our upcoming auction on October 17th, 2026 at 10am. **For further information call 212-260-2000 or visit: www.rolandauctions.com