Convertible Diamond Collar Necklace

This impactful Art Deco collar necklace from 1929 is an early Art Moderne jewel by Mauboussin, a French maison daringly led by Georges and his engineer...

This Tiffany & Co. 18K gold and diamond necklace dates from the mid 1980s. It is designed as a broad, highly articulated strap composed of curved sections set with round brilliant-cut diamonds and highlighted by cross bands of channel-set diamond baguettes, approximate total weight 75.00 carats. With its refined Tiffany engineering and superb stones, this broad, flexible band of sparkling diamonds settles softly at the base of the neck, optimally glamorous, comfortable and modern all at once. Product Details: Item #: N-20895 Artist: Tiffany & Co. Circa: 1985 Materials: 936 round brilliant-cut diamonds (approximate total weight 71.60 carats); 88 baguette diamonds (approximate total weight 3.40 carats); 18K Gold Signed: TIFFANY & CO. 750 Macklowe Gallery Curator's Notes: Of superb construction and materials, with extraordinary articulation, softness and flexibility, this Tiffany diamond necklace...

Created in the 1980s, this Cartier Paris necklace is composed of 18K gold and approximately 29.00 carats of diamonds. The necklace is formed of ...

Composed of old mine and rose-cut diamonds, this rivière necklace is mounted in enameled 18K gold. Each old-mine cut diamond, graduating in size from approximately 0.50 carat to 0.15...

Created in the 1990s, this diamond, ruby and emerald necklace is set in 18K gold. It is designed as octagonal links pave-set with approximately 12.00 carats of diamonds, each centeri...

Created by Marina B in 1987, this necklace is made of 18K gold. It is composed of two lines of hexagonal links, one designed as solid forms surmounting overlapping open links. Streamlined and ingeniously constructed, this sleek necklace offers flexibility and soft edges for everyday wear, as well as a subtle complexity that lends it unusual visual interest. Product Details: Item #: N-20593 Artist: Marina B. Country: Italy Circa: 1987-88 Dimensions: 15.75" length x 0.50" width Materials: 18K Gold Signed: Marina B Italy 1988. A149. 750. MB makers marks Literature: A rendering of this necklace, belonging to the design group described as "Triangles and Symmetrical Geometry", appears in Marina B: The Art of Jewelry, by Viviane Jutheau Witt, page 45. Macklowe Gallery Curator's Notes: Marina Bulgari left the family firm to found her own house in 1976, attracting independent women such as Princess Grace and others who made purchasing decisions for themselves. While she invented new cuts of gems...

This stunning necklace is classic and awash with diamonds 2.0 ct total weight. The combination of the white gold and yellow beautifully accent the diamond circles. The coil design in...

Jay Feder Platinum Diamond Collar Necklace Set with baguette cut diamonds; estimated total weight is 16.35ctw. The necklace is approx. 17 inches long. The to...

A chic and stylish bright yellow gold necklace featuring 4 carats of round brilliant-cut diamonds. Each link has been set to allow movement and flexibility allowing it to lay flat ar...

A classic 18KT yellow gold braided necklace set with 15.03 carats of round brilliant diamonds. The braided links of the necklace alternate with pave set ...

Vintage 14kt yellow gold collar necklace with hinged twist links and 10 double row diamond sections featuring 180 round brilliant cut diamonds weig...

Special and unique 18K yellow gold diamond rose cut diamond hinged collar necklace, set with 8 triangular rose cut diamonds weighing 1.25cts, go...