AN EMERALD AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in yellow and silver, set with a step cut

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.

AN ANTIQUE EMERALD, RUBY AND DIAMOND DRESS RING, EARLY 19TH CENTURY in yellow gol and silver, set with a step cut ruby between two triangular step cut emeralds, accented by old cut diamonds, with scro

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

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

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 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

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 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 /

American, early 20th century. Stamped 14K yellow gold by-pass style ring (newer shank), center round platinum plate set with twenty-two (22) mixed cut round diamonds (old mine cut, single cut, etc.).

An early to mid 20th century yellow metal, diamond, and pink sapphire ring, set with a mixed marquise-cut sapphire within a border of round-cut diamonds, ring cluster approximately 11 x 8 mm, indistin

AN EARLY 20TH CENTURY DIAMOND CLUSTER RING a fancy yellow old-cut diamond within a pierced milgrain border of white old-cut diamonds, to fancy diamond-set shoulders. Estimated principal diamond weight

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

AN ANTIQUE EMERALD AND DIAMOND BAR BROOCH, 19TH CENTURY in yellow gold and silver, the tapering body set with clusters of step cut emeralds punctuated by rose cut diamonds, unmarked, 10.0cm, 12.7g.

A VINTAGE EMERALD AND DIAMOND CLUSTER RING in yellow gold, set with an octagonal step cut emerald in a cluster of old cut diamonds, no assay marks, size M / 6.25, 2.4g. 

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 EMERALD AND DIAMOND DRESS RING in yellow gold and silver, set with a step cut emerald within a border of four old cut diamonds, no assay marks, size J1/2 / 5, 2.1g.

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 EMERALD AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald of approximately 2.95 carats in a cluster of single cut diamonds, stamped PLAT, size Q / 8.25, 4

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 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

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 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 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.