A GREEN TOURMALINE, DIAMOND AND ENAMEL BROOCH, EARLY 20TH CENTURY in yellow gold, set with a

A DIAMOND AND ENAMEL BROOCH, EARLY 20TH CENTURY in platinum and yellow gold, the oval body of openwork design, set with a central old cut diamond between panels of blue guilloche enamel, accented by f

A DIAMOND BROOCH, EARLY 20TH CENTURY in 14ct yellow gold and platinum, the scrolling body set with a fan of rose cut diamonds, accented by further rose cut diamonds and an articulated diamond drop, st

Italy, early 20th century. Stamped 'K.18 ITALY' yellow gold brooch designed as a serpent, set with rose cut diamonds and emeralds. Total diamond weight approx. 1.10cts. Emeralds set in the head and ta

An early 20th century 15ct gold enamel and gem-set snake brooch. Designed as a graduated green guilloche enamel snake, with ruby cabochon eyes, wrapped around a split pearl bar. Length 4.6cms. Weight

An antique (ca early/mid 20th century) 14K yellow (rose-ish coloring) gold brooch, with pin back, featuring an oval emerald approx 7.5mm x 7mm, and with channel set and prong set old mine-cut diamond

AN ANTIQUE PEARL, DIAMOND AND ENAMEL FORGET ME NOT BROOCH, 19TH CENTURY in high carat yellow gold, the stylised body depicting a flower set with rose cut diamonds, within a green, black and white enam

An engraved gold hatching snake with OEC diamond eyes, approx. .01 ct. TW, and round cut sapphire accent, on chain; A green enameled snake and textured gold skull brooch. 14k. Early 20th c. 1 1/2" x 1

AN ANTIQUE PEARL, DIAMOND AND ENAMEL FORGET ME NOT BROOCH / PENDANT, 19TH CENTURY in high carat yellow gold, the stylised body depicting a flower set with rose cut diamonds, within a green, black and

An early 20th century Jaipur style enamel over 18k yellow gold bangle featuring a pair of green and orange parrots with flat-cut diamond eyes and wing accents. Exterior decorated with flat-cut diamond

A BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliate body suspending swags, jewelled throughout with old European, single and rose cut diamonds, the dia

A MOONSTONE SHAMROCK BROOCH, EARLY 20TH CENTURY in 14ct yellow gold, set with a trio of heart shaped cabochon moonstones forming a three leaf clover, stamped 585, 4.8cm, 3.7g.

AN ANTIQUE TURQUOISE AND ENAMEL ROYAL PRESENTATION BROOCH, EARLY 20TH CENTURY in yellow gold, depicting King Edward VII and Queen Alexandra's cipher, surmounted by a crown / coronet decorated with red

AN ANTIQUE SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold, set with an old cut diamond of 0.32 carats, stamped 18c, size N / 6.75, 2.0g.

AN ANTIQUE CAMEO AND DIAMOND BROOCH, EARLY 19TH CENTURY in yellow gold and silver, set with a cameo carved to depict a lion between two arrowhead motifs in a foliate style border set with rose cut dia

ANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURY mounted in yellow gold, claw-set with an oval black opal measuring 14.8 x 10.5mm,and weighing approximately 3.36 caarts, within a border of circ

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

NO RESERVE - AN ANTIQUE EDWARDIAN PERIDOT AND PEARL BROOCH, EARLY 20TH CENTURY in yellow gold, with scrolling motifs, set with a central cushion cut peridot within a border of seed pearls, accented by

A FINE ANTIQUE DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in yellow gold and silver, set to the centre with an old oval cut diamond of 2.14 carats within a scrolling border of black enamel, accented by a

AN ANTIQUE PEARL AND DIAMOND RING, EARLY 20TH CENTURY in yellow gold, the openwork face set with an old cut diamond and two pearls in a border of rose cut diamonds, further rose cut diamonds set to th

AN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

Pink Tourmaline & Diamond Ring 18k , Late 20th century, 18k yellow gold ring set with 1.30 carat pink tourmaline and .32cttw diamonds (approximately G color and VS clarity). Hallmarked 750 for 18k and

SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond, between geometric shoulders, stamped 18ct Plat, size K / 5.25, 2.2g.

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated old cut diamonds, the diamonds all totalling 0.41 carats, stamped 18CT, size M / 6, 2.5g.

AN ANTIQUE AMETHYST, PERIDOT AND DIAMOND SUFFRAGETTE DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated round cut amethyst and peridot, punctuated by rose cut diamonds, t