Cartier: An early 20th century ruby and diamond arrow brooch, circa 1920

AN ART DECO RUBY, EMERALD, SAPPHIRE AND DIAMOND PIN BROOCH, EARLY 20TH CENTURY, POSSIBLY BY CARTIER in 18ct white gold, the pin terminated by concentric circular motifs articulated to rotate within on

An early 20th century ruby and diamond brooch. Length 4cms. Total weight 5.9gms.

AN EARLY 20TH CENTURY DIAMOND ETERNITY RING, CIRCA 1920 The continuous row of old brilliant-cut diamonds, the sides of the hoop engraved with scroll detailing, mounted in platinum, diamonds approximat

An early 20th century gold ruby and diamond brooch. The alternating old-cut diamond and circular-shape ruby line, to the textured curb-link bar. Estimated total diamond weight 0.10ct. Length 4.3cms. W

AN EARLY 20TH CENTURY DIAMOND AND PEARL BRACELET CIRCA 1920The pierced panels each set with a trio of old mine cut diamonds with rose cut diamond set shaped borders, approximately 4 carats total, with

An early 20th century ruby, diamond and pearl bar brooch. The graduated cushion-shape ruby and old-cut diamond crescent, atop a knife-edge bar with similarly-set terminals and central pearl highlight.

An early 20th century 15ct gold ruby and diamond bar brooch. Of openwork design, the old-cut diamond and circular-shape ruby collet line, with shared halo surrounds and old-cut diamond collet accent t

Antique Early 20th Century Yellow & White Gold, Diamond, & Opal Cameo Brooch. Circa 1900. A rare large hand carved opal cameo of Floral in a border of old mine cut diamonds. Approximately 1.65 carats.

An early 20th century gold ruby, split pearl and diamond bar brooch. The cushion-shape ruby, split pearl and rose-cut diamond cluster, to the twin bar with split pearl stylised crown terminals. Length

An early 20th century ruby and diamond jabot pin. Designed as an arrow, with rose-cut diamond and square-shape ruby arrowhead and fletching. Length 5.3cms. Weight 2.2gms.

An early 20th century marble panel brooch designed for Wiener Werkstätte , circa 1920, the square marble panel in a silver setting, signed Wiener Werkstätte, 3.7cm wide, in original box

AN EARLY 20TH CENTURY DIAMOND AND RUBY NOVELTY CRICKET BROOCH set throughout with old-cut diamonds and a cushion-cut ruby. Estimated total diamond weight 1.00ct, 4.7cm by 1.7cm, 7.8 grams One diamond

A ruby and diamond fly brooch. The late Victorian cushion-shape ruby and rose-cut diamond fly, to the early 20th century bar. One diamond deficient. Length 4.4cms. Weight 2.6gms.

AN ANTIQUE AMERICAN RUBY, SAPPHIRE AND DIAMOND BIRD BROOCH / PENDANT, TIFFANY & CO EARLY 20TH CENTURY designed as a flying bird set with round and step cut rubies, French cut sapphires and rose cut di

A selection of jewellery. To include an early 20th century diamond and seed pearl bar brooch, a 9ct gold diamond and opal triplet pendant with a 9ct gold chain, an early 20th century ruby, split and s

An early 20th century 'Egyptian Revival' gold and silver calibre-cut ruby, diamond and enamel 'Khepri' scarab beetle brooch.Estimated total diamond weight 0.65ct.Foreign marks. Length 6cms. 17.7gms.

An early 20th century diamond jabot pin, circa 1910, designed as an arrow set with old cut diamonds, 7.1cm long

Age: Early 20th century circa 1910-1920 A very fine brooch designed as a butterfly with qing dynasty jadeite inserts utilized for wings and all mounted in 14k Gold with delicate enamel and detailing.

Edwardian/Deco 14K yellow gold and diamond bow brooch featuring three rose cut diamonds. Stamped, "1706". 6.7 grams. 1.25"L, Circa - Early 20th C. PROVENANCE: From the Estate of a Prominent Texas Busi

This unique and artfully designed brooch, circa early to mid 20th century, is crafted in 18K yellow gold, weighing 14.6 grams and measuring 38mm long. This cute brooch is centered with a carved coral,

incisa e sbalzata, con tre diamanti centrali taglio vecchio e diamanti taglio rosa, cts. 4.00 totali circa. Cm. 9. Gr. 8 An early 20th Century platinum brooch with old cut diamonds and rose cut diamon

An early 20th century Egyptian Revival gold, diamond and gem-set brooch. The carved moonstone scarab with ruby and rose-cut diamond surround, to the rose-cut diamond accent openwork wing sides. Austri

Victorian/Edwardian platinum and multicolor 14K gold, diamond and cultured pearl brooch. Stamped, "B14K". 11.7 grams. 1.875"L, Circa - Late 19th - Early 20th C. PROVENANCE: James Robinson, New York. F

An early 20th century diamond and gem-set insect brooch. Designed as an old-cut diamond fly, with oval-shape sapphires highlights and circular-shape ruby eyes, atop a plain bar. Estimated total diamon