A diamond brooch. The old-cut diamond collet line, to

An early 20th century 15ct gold ruby and diamond bar brooch. Of openwork design, the old-cut diamond and circular-shape ruby collet line, with shared halo surrounds and old-cut diamond collet accent t

A diamond five-stone ring. The graduated old-cut diamond collet line, to the plain band. Estimated total diamond weight 1.20cts. Principal diamond estimated 0.80ct, tinted colour, P1 clarity. French a

A diamond five-stone ring. The graduated old-cut diamond collet line, to the plain band. Estimated total diamond weight 0.50ct, J-L colour, SI2-P1 clarity. Weight 2.5gms.

Two diamond and gem-set rings. The first designed as an old-cut diamond collet diagonal line with asymmetric sides, the second designed as a 9ct gold oval-shape emerald with single-cut diamond surroun

A mid 20th century diamond bar brooch. Comprising a circular-cut diamond collet line, with shared surround. Estimated total diamond weight 0.80ct. Length 4.9cms. Weight 3.6gms.

Two early 20th century diamond and gem-set brooches. To include an alternating square-shape emerald and old-cut diamond line brooch, together with a Martin Mayer green paste circle brooch. One with ma

A late Victorian gold diamond and split pearl brooch. The graduated old-cut diamond line, atop a marquise-shape panel, with geometric surround and foliate split pearl line border, to the vacant glazed

A late Victorian gold tiger's-eye and diamond brooch. The oval tiger's-eye cabochon, with old-cut diamond line sides and cannetille accents. Estimated total diamond weight 0.20ct. Length 4.3cms. Weigh

An early 20th century gold ruby and diamond brooch. The alternating old-cut diamond and circular-shape ruby line, to the textured curb-link bar. Estimated total diamond weight 0.10ct. Length 4.3cms. W

A ruby and diamond crescent brooch. The vari-shape ruby and old-cut diamond crescent lines, with rose-cut diamond terminals. Estimated total old-cut diamond weight 1.10cts. Length 3cms. Weight 5.6gms.

A ruby and diamond dress ring. The old-cut diamond collet, within a single-cut diamond and calibre-cut ruby geometric panel, to the single-cut diamond line sides. Estimated total diamond weight 0.60ct

An early 20th century diamond bar brooch. The old-cut diamond floral cluster, with knife-edge bar sides and similarly-cut diamond collet terminals. Estimated total diamond weight 0.70ct. Length 5cms.

A late Victorian silver and gold, ruby and diamond crescent brooch. Comprising two graduated old-cut diamond and vari-cut ruby curved lines. Estimated total diamond weight 2.85cts, I-K colour, SI2-P2

A diamond dress ring. Designed as three old-cut diamond collets, within a similarly-cut diamond scalloped halo, to the old-cut diamond line sides. Principal diamonds estimated total weight 0.60ct, H-I

A VICTORIAN DIAMOND IVY BROOCH CIRCA 1880The ivy leaves pavé set with old mine cut diamonds, with cut down collet old mine cut diamonds on bars between, approximately 2.85 carats, numbered 756, w

An early 20th century sapphire and diamond brooch. The kite-shape sapphire, with single-cut diamond surround, similarly-cut diamond line sides and old-cut diamond terminals. Estimated total diamond we

EMERALD AND DIAMOND DRAGONFLY BROOCH The wings pavé-set with old brilliant-cut diamonds, the thorax and abdomen set with step-cut emeralds in foiled and closed-back settings, with collet-set old

A sapphire and diamond brooch. Of marquise-shape outline, the cushion-shape sapphire, to the alternating vari-cut diamond line and oval-shape sapphire surround. Estimated total old-cut diamond weight

A pair of diamond earrings. Each designed as a single-cut diamond cluster, suspended from an articulated line and old-cut diamond surmount, with single-cut diamond collet highlight. Estimated total di

Platinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine an

A diamond open crescent brooch cased by Garrard, set with a graduated line of twenty one old cut diamonds, length 5.5cm, with safety chain attached, total estimated weight of diamonds approximately 1.

A ruby and diamond sword brooch. The blade set with alternating square-shape ruby collet and single-cut diamond line, to the enamel St. George's flag and feathered crossbar, grooved grip and single-cu

Antique, 14K white gold & silver pendant/brooch centering an old mine cut diamond weighing approx. 1.40 cts, average VS clarity, average I-J color, set in a crimped collet, surrounded by open work fra

Art Deco style openwork brooch in 18 kt white gold. of intertwined geometric lines set with diamonds, old cut, set in grain with an estimated weight of 6.50 ct. and center with diamond bezel, brillian