Monkey face brooch set throughout with old cut dia

A VINTAGE DIAMOND PLAQUE BROOCH, 1930s, in 18ct yellow gold and platinum, the openwork brooch set throughout with old cut diamonds, the diamonds totalling 3.0-3.5 carats, stamped 18ct and PL, 4.6cm, 7

A LATE 19TH CENTURY DIAMOND SWALLOW BROOCH set throughout with old-cut and rose-cut diamonds and with a cabochon ruby eye. Estimated total diamond weight 1.70ct, 1.8cm by 4.9cm, 6.8 grams Good condit

A FINE DIAMOND DRESS RING in 18ct yellow gold and platinum, the stylised openwork face set throughout with old cut diamonds, no assay marks, size J1/2 / 5, 3.6g.

AN EARLY 20TH CENTURY DIAMOND AND RUBY NOVELTY CRICKET BROOCH set throughout with old-cut diamonds and a cushion-cut ruby. Estimated total diamond weight 1.00ct, 4.7cm by 1.7cm, 7.8 grams One diamond

DIAMOND-SET CRESCENT BAR BROOCH Set throughout with old brilliant-cut diamonds, diamonds approx. 0.76cts total, length 3.9cm For further information on this lot please visit Bonhams.com

A VINTAGE DIAMOND BROOCH in platinum, set throughout with old cut diamonds, the diamond totalling 2.0-2.2 carats, Portuguese assay marks, 4.0cm, 10.6g. 

An opal and diamond horseshoe brooch set throughout with opal cabochons and old round-cut diamonds, unmarked (Length: 3cm)

A DIAMOND FLOWER BROOCH, set throughout with old brilliant, cushion and single-cut diamonds, diamonds approximately 4.00cts total, length 7.3cm

AN ANTIQUE DIAMOND AND RUBY CAVALIER KING CHARLES SPANIEL STICK PIN BROOCH in yellow gold, set throughout with old mine cut diamonds, accented by cabochon ruby eyes, no assay marks, 1.1cm, 2.6g.

Includes a 14kt yellow gold brooch with openwork design set throughout with Old European cut diamonds and pearls - (6) pearls measuring approx. 3mm each, (6) pearls measuring approx. 4mm each, (6) dia

A diamond heart brooch of open design, set throughout with graduated old round-cut diamonds, unmarked(Length: 2.5cm)

Platinum circle brooch with bow, set throughout with single and old mine-cut diamonds totalilng approximately 2.00 cts., graded G-H color and SI clarity, 7.5 gms gross, est: $600/800

AN ENAMEL AND DIAMOND NOVELTY EQUESTRIAN BROOCH modelled as a horse and jockey, set throughout with old-cut diamonds and enamelled in colours. Estimated total diamond weight 1.75ct, 3.5cm by 3.5cm, 11

A pair of late 19th-century diamond star brooches each of traditional design, set throughout with graduated old round-cut diamonds, unmarked; in a fitted case for Hamilton & Inches, 88 Princess Street

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set throughout with old cut diamonds, the diamonds all totalling 4.2-4.6 carats, no assay marks, 4.4cm, 14.6g. 

AN ANTIQUE DIAMOND FLOWER PENDANT / BROOCH, 19TH CENTURY in yellow gold and silver, set throughout with old cut diamonds, the diamonds all totalling 4.8-5.2 carats, with detachable brooch fitting and

A FINE ANTIQUE DIAMOND BROOCH / PENDANT, 19TH CENTURY the oval body of openwork design, set throughout with old cut and rose cut diamonds, the diamonds all totalling 3.6-4.2 carats, with retractable l

AN ANTIQUE DIAMOND STAR BROOCH in yellow gold and silver, designed as a five rayed star, set throughout with old cut diamonds, the diamonds all totalling 2.8-3.2 carats, no assay marks, 3.4cm, 7.9g.

A LATE 19TH CENTURY DIAMOND STAR PENDANT/BROOCH, CIRCA 1890 The six-rayed star set throughout with old brilliant-cut diamonds, each ray spaced by a trio of similarly-cut diamonds within a pinched coll

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.

A VICTORIAN SWALLOW BROOCHThe swooping swallow set throughout with old mine cut diamonds, approximately 4.58 carats total, with cabochon ruby eyes Size/dimensions: 5.9cm longGross weight: 14.7 grams

TIFFANY & CO., A DIAMOND CIRCLE BROOCH, 1940S in platinum, designed as an open circle set throughout with old European cut diamonds, the diamonds all totalling 4.3-4.5 carats, signed Tiffany & Co., no

Mid-late 19th century. Victorian brooch with scroll and floral motifs, 13K yellow gold (tested with x-ray metal tester), set throughout with old mine cut and rose cut diamonds, emeralds and enamel wor

EMERALD AND DIAMOND DOUBLE-CLIP/BROOCH, CIRCA 1935 Of openwork scrolling spray design, each set with a circular-cut emerald, the scrolls pavé-set throughout with old brilliant-cut diamonds, accen