A BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliate

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 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

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

Edwardian diamond & emerald pendant, early 20th c., hanging pendant set in platinum with yellow gold accents, 20" chain, pendant approx. 2.5"h, 1"w, 9.9 g Provenance: Property from the Collection of a

18K Yellow Gold Brooch/Pendant, early 20th c., with a central 1.25 ct. round diamond, atop five in-and-out graduated diamond mounted loops, H.- 1/2 in., Dia.- 1 in., Diamond Accent Wt. - App.- .6 cts.

A silver gilt, diamond, amethyst, and pearl pendant in the Edwardian style, with silver gilt suspension loop, together with a 15ct yellow gold late 19th / early 20th century bar brooch (3.3 grams). (

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 TURQUOISE AND PEARL PENDANT, EARLY 20TH CENTURY in yellow gold, in foliate design, set with seed pearls and turquoise, suspending a turquoise drop, stamped 9ct, 5cm, 2.2g.

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.

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 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.

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 EXQUISITE BELLE EPOQUE PINK TOPAZ AND DIAMOND BROOCH in yellow gold and platinum, set to the centre with a cushion cut pink topaz of approximately 7.35 carats, within two concentric borders of old

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 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.

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 /

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with a trio of graduated old cut diamonds within a stylised band, stamped 18ct, size M / 6.25, 2.9g.

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with a trio of graduated old cut diamonds within a stylised band, stamped 18ct, size M / 6.25, 2.9g.

A DIAMOND HEART MOURNING LOCKET PENDANT AND CHAIN, EARLY 20TH CENTURY in yellow gold, the pendant designed as a heart, with hinged body, opening to reveal locket interior (glass absent), set with an o

A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the stylised band terminated at either end with an old cut diamond, with further diamonds to the shoulders, no assay mar

NO RESERVE - A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with two old European brilliant cut diamonds, stamped 18ct Plat, size K / 5.25, 2.7g.

NO RESERVE - A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with two old European cut diamonds, stamped 18ct Plat, size K / 5.25, 2.7g.

NO RESERVE - A PERIDOT AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY, Made in 18 carat white gold and platinum, Octagonal step cut peridot, weighing approximately 3.71 carats, Single cut diamonds, Stampe