AN ANTIQUE MOONSTONE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in yellow gold, set with a

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

AN ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.55 and 0.52 carats, in a frame of further old cut diamonds, stamped 18CT, s

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.

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 FINE ANTIQUE DIAMOND DRESS RING, EARLY 20TH CENTURY in yellow gold and platinum, the scrolling face set with old cut diamonds accented by rose cut diamonds, no assay marks, size J / 4.5, 3.6g.

An early 20th century yellow gold, diamond, and pearl cluster ring, set with a cultured white pearl, approximately 6 mm, within a border of rose-cut diamonds, shank unmarked (likely 18ct gold), size R

A PAIR OF ANTIQUE DIAMOND DROP EARRINGS, EARLY 20TH CENTURY in yellow gold and platinum, each set with a row of three old cut diamonds suspending a cluster of old cut diamonds, stamped 18ct, 2.6cm, 4.

AN EMERALD AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in yellow and silver, set with a step cut emerald of 1.14 carats, in a border of single cut diamonds, stamped 18CT, size M / 6, 3.6g.

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,

A DIAMOND CLUSTER RING, EARLY 19TH CENTURY in yellow gold and silver, set with a central rose cut diamond surrounded by ten rose cut diamonds, with further rose cut diamonds to the shank, unmarked, si

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.

AN ANTIQUE GEORGIAN DIAMOND CLUSTER RING, 19TH CENTURY in yellow gold and silver, set with an old mine cut diamond of 0.76 carats accented by rose cut diamonds, on a stylised trifurcated band with flo

AN ANTIQUE GEORGIAN DIAMOND RING, EARLY 19TH CENTURY in yellow gold and silver, set with a pear shaped rose cut diamond surrounded by scrolled detailing, accented with further rose cut diamonds, no as

A SOLITAIRE DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond of 0.51 carats within a tapering band, stamped 18ct Plat, size K / 5.25, 2.4g.

A DIAMOND CLUSTER RING, DUTCH, EARLY 19TH CENTURY in yellow gold and silver, set with a central rose cut diamond framed by further rose cut diamonds, unmarked, size N / 7, 7.30g.

AN ANTIQUE EMERALD AND DIAMOND RING, EARLY 19TH CENTURY in yellow gold and silver, set with a cushion cut emerald of 0.64 carats within an open foliate border of rose cut diamonds, no assay marks, siz

ANTIQUE AMETHYST AND DIAMOND GIARDINETTO RING, EARLY 19TH CENTURY in yellow gold and silver, set with rose cut diamonds and cushion cut amethyst, unmarked, size N / 6.5, 3.7g.

AN ART DECO RUBY AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the rectangular face set with a step cut ruby accented by single cut diamonds, stamped 18ct Plat, size M /

A PAIR OF ANTIQUE ONYX AND DIAMOND DROP EARRINGS, EARLY 20TH CENTURY in yellow gold, of circular design, set with polished black onyx cabochons overlaid with floral motifs, set with rose cut diamonds,

VICTORIAN DOUBLE DIAMOND SNAKE RINGLate 19th- early 20th century, 14k yellow gold. Victorian double snake design ring set with two old mine cut diamonds weighing approximately .12ctw. and four single

AN EARLY 20TH CENTURY MOONSTONE AND DIAMOND CLUSTER RING a round moonstone within a milgrain boder of old-cut diamonds. Estimated total diamond weight 0.50ct, French gold marks, ring size M, 2.3 grams

AN ANTIQUE MOONSTONE AND DIAMOND RING in yellow gold, set with a cabochon moonstone in a cluster of rose cut diamonds, no assay marks, size M / 6, 1.8g.