A COLLECTION OF UNMOUNTED DIAMONDS old cut, all totalling 15.29 carats.

A COLLECTION OF UNMOUNTED DIAMONDS various cuts, all totalling 7.75 carats.

A MIXED LOT OF UNMOUNTED DIAMONDS various cuts, totalling 4.14 carats.

A DIAMOND GYPSY RING in 18ct yellow gold, set with three old cut diamonds totalling 0.9-1.0 carats, stamped 18ct, size M / 6, 5.8g.

AN ANTIQUE DIAMOND CLUSTER RING set with a central old cut diamond of 1.34 carats encircled by further old cut diamonds, totalling 2.60 carats, unmarked tests as high carat gold, size K / 5.5, 5.1g.

A TOURMALINE AND DIAMOND RING set with an octagonal cut tourmaline of 2.97 carats in a border of old cut diamonds totalling 0.72 carats, no assay marks, size M / 6, 5.4g.

AN ANTIQUE DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of old cut diamonds totalling 0.73 carats, stamped 18, size J / 4, 2.7g.

Collection of unmounted diamonds and sapphiresIncluding 1) old mine-cut diamond and 1) full-cut diamond, weighing a total of approximately 0.25 ct.; 1) star sapphire, weighing 7.60 cts., together with

A COLLECTION OF UNMOUNTED GREEN TOURMALINES, various cuts, all totalling 26.4 carats.

ANTIQUE NATURAL PEARL AND DIAMOND BOW BROOCH set with old cut diamonds totalling approximately 3.54 carats and suspending a pearl drop of 9.1mm, 4cm, 9.7g. Gemological report: Natural, saltwater origi

AN OPAL AND DIAMOND BROOCH in yellow gold, set with a cabochon opal of approximately 13.61 carats, in a border of old cut diamonds totalling approximately 1.40 carats, unmarked, 2.5cm, 7.3g.

ANTIQUE DIAMOND FIVE STONE RING set with old cut diamonds totalling approximately 1.00 carats, size S / 9, 3.5g.

AN ANTIQUE DIAMOND CLUSTER RING in high carat yellow gold and silver, set with a cluster of old cut diamonds totalling approximately 0.50 carats, unmarked, size M / 6.25, 2.5g.

A DIAMOND GYPSY RING set with four old cut diamonds, the diamonds all totalling 0.4-0.5 carats, stamped 585, size M / 6, 5.2g.

A DIAMOND CLUSTER RING in 18ct yellow gold, set with an antique cushion cut diamond of 1.51 carats in a cluster of old cut diamonds totalling 1.4-1.6 carats, the diamonds all totalling 2.9-3.1 carats,

AN ANTIQUE DIAMOND SPRAY BROOCH designed as a floral spray, set throughout with rose cut, single cut and old cut diamonds totalling 4.0-5.0 carats, no assay marks, 6.8cm, 27.7g.

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut emerald of 3.65 carats in a cluster of old cut diamonds totalling 1.8-2.0 carats, stamped 18ct, size O / 7, 7.4g.

AN ANTIQUE DIAMOND DRESS RING, 19TH CENTURY in high carat yellow gold, set with five graduated old cut diamonds totalling 2.2-2.4 carats, with scrolling decoration to the gallery, unmarked, size O / 7

A RUBY AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut ruby of approximately 0.54 carats in a cluster of old cut diamonds totalling 0.8-0.9 carats, no assay marks, size M / 6, 4.2g.

AN ANTIQUE DIAMOND AND PEARL SWEETHEART BROOCH designed as two hearts set with pearls surmounted by a scrolling ribbon, set throughout with old cut diamonds totalling 1.9-2.1 carats, 4.0cm, 6.2g.

AN ANTIQUE DIAMOND BAR BROOCH CIRCA 1900 designed as a tapering bar set with graduated old cut diamonds totalling 0.8-1.0 carats, with scrolling decoration to the sides, unmarked, 4.5cm, 3.1g.

A DIAMOND BANGLE in yellow gold, set with a row of graduated old cut diamonds all totalling 8.0-9.0 carats, no assay marks, inner circumference 16.5cm, 12.8g.

A VINTAGE DIAMOND FIVE STONE RING in 18ct yellow gold, set with a graduated row of old cut diamonds all totalling 3.2-3.4 carats, stamped 18CT, size M / 6, 3.7g.

A DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a central old cut diamond of 0.91 carats, within a border of further old cut diamonds, all totalling 2.5-2.7 carats, marked indistinctly, siz

AN ANTIQUE DIAMOND FIVE STONE RING in yellow gold, set with a graduated row of old cut diamonds all totalling 2.2-2.4 carats, rubbed hallmarks, size M / 6, 3.0g.