AN ART DECO ROCK CRYSTAL, ONYX AND DIAMOND BROOCH set with an open oval of polished rock crystal, accented by calibre cut onyx and single cut diam...

An Edwardian Pearl and Diamond Brooch the tapering bar set throughout with six graduated pearls and rose cut diamonds, in white millegrain settin...

YELLOW METAL DOUBLE FLOWER HEAD DIAMOND BROOCH , each flower head encrusted with graduated old cut diamonds, the two principal stones measuring 0....

Andrew Grima, a 1960s 18ct gold diamond brooch, designed as a stylised bird nest, with brilliant-cut diamond highlights, signed Grima, estimated t...

A 19th century Aesthetic movement moonstone and old cut diamond brooch in the form of a violet or viola, set with two moonstones and seven old cut...

A 19TH CENTURY MOONSTONE AND DIAMOND BROOCH, CIRCA 1880 Designed as a crescent moon, set with graduated old-cut diamonds and a ‘man in the moon’ ...

BELLE EPOQUE SEED PEARL AND DIAMOND BROOCH, CIRCA 1910 Cushion-shaped diamonds Seed pearls French workshop mark for Basset et Moreau Brooch fittin...

Antique Rose Cut Diamond Turquoise Hearts and Flower Brooch   the most beautiful diamond brooch with hanging heart!   measurements size ...

A turquoise and diamond brooch, in the form of a horsehoe

A LATE 19TH CENTURY DIAMOND BROOCH, CIRCA 1880 Designed as a swallow in flight, set throughout with old and rose-cut diamonds, mounted in silver ...

RUBY AND DIAMOND BROOCH Calibré-cut rubies Rose-cut diamonds Length 7.7cm Weight approx. 8.5g Footnotes: OVERALL CONDITION Light surface wear...

DIAMOND BROOCH, 1890s designed as a spray of lily of the valley, set with old mine- and rose-cut diamonds, 5cm long

A late Georgian silver and gold, rose-cut diamond brooch, principal diamond measures approximately 7.4 by 6.7mm, length 2.2cm, 8.1g Overall fai...

AMETHYST AND DIAMOND BROOCH, EARLY 20TH CENTURY centring on an oval mixed-cut amethyst, framed by a ribbon tied garland of ears of wheat, milleg...

BELLE EPOQUE PEARL AND DIAMOND BROOCH, 1900s of ribbon and bow design millegrain set with circular-, single- and rose-cut diamonds, suspending a...

Turquoise and diamond brooch/pendant on yellow metal mount, approximately 5cm. Estimate: £300-400

Wonderful Antique Boxed Diamond Bar Brooch Approx 85pts    truly excellent diamond brooch, simple yet beautiful    measurements size 41m...

A 19th century diamond brooch, in the form of a flower

Late 19th century Art Nouveau rose cut diamond brooch, 35mm wide approx, 5g gross approx (a/f)

A 19TH CENTURY ENAMEL AND DIAMOND BROOCH, CIRCA 1880 The horse in gallop with enamelled seated jockey, pavé-set with old and rose-cut diamonds, m...

PIERRE STERLE: PAIR OF DIAMOND EAR CLIPS AND A DIAMOND BROOCH, 1950s the ear clips each designed as an open work flame motif edged in single-cut...

RETRO GOLD, SAPPHIRE AND DIAMOND BROOCH, 1940s designed as a stylised plume of gold scrolled feathers, embellished with calibre-cut sapphire ste...

PAIR OF DIAMOND BROOCH CLIPS, 1960s each designed as a floral motif of textured open work ribbons accented with brilliant-cut diamond and bead d...

DIAMOND BROOCH, 1890s designed as a sword, the hilt and guard set with circular-cut diamonds, mounted in silver and gold, 9cm long, fitted case

TWO DIAMOND BROOCHES 1st: Diamond bow and crescent brooch, circa 1900 Old brilliant, cushion and rose-cut diamonds Old brilliant and cushion-shape...

DIAMOND BROOCH/PENDANT, LATE 18TH/EARLY 19TH CENTURY Rose-cut diamonds Later pin fitting Length 8.4cm Weight approx. 15.0g Footnotes: OVERALL ...

Large Antique Rose Cut Diamond Bar Brooch Pin in Gold    Wonderful Long Diamond Brooch, Truly Lovely!    measurements: length 61mm  wi...

Antique 15ct Gold Turquoise and Diamond Brooch    truly wonderful!    measurements: length 47mm width 35mm weight 14.76g   mater...

18K WHITE GOLD - LARGE DIAMOND BROOCH (23.6g)

VAN CLEEF & ARPELS, A VINTAGE CORAL AND DIAMOND BROOCH in 18ct yellow gold, the tapering bar set with a cabochon coral accented on each side by an...

CERTIFICATED NATURAL SALTWATER PEARL AND DIAMOND BROOCH, Set to the center with a natural saltwater pearl of approx. 6.9 x 6.9 mm. (certificated)....

ART-DECO SAPPHIRE AND DIAMOND BROOCH, High carat gold and platinum. Vibrant blue sapphires, totalling approx. 0.80 ct. Diamonds bright and lively....

VICTORIAN OPAL AND DIAMOND BROOCH set with a vibrant opal with great play of colour approx. 13.4 mm by 13.4 mm Diamonds bright and lively, totall...

VICTORIAN DIAMOND BROOCH Bright and lively diamonds, totalling approx. 2.55 ct. 2.3 cm diameter 6.3 grams

A ROCK CRYSTAL, SAPPHIRE AND DIAMOND BROOCH, BY FASANO Designed as a Lily of the Valley branch, with carved rock crystal frosted petals, accented...

AN ART DECO DIAMOND BROOCH, FRENCH, CIRCA 1925 Of pyramidal design, centring an old European-cut diamond weighing approximately 0.65ct, set throu...

RONDINE: A LADY'S ENAMEL AND DIAMOND BROOCH WATCH, ITALIAN, 1960s with Swiss manual wind 17 jewel movement signed 'MARC NICOLET', the glazed cir...

BELLE EPOQUE DIAMOND BROOCH, 1910s of circular open work design, millegrain set with circular- and rose-cut diamonds, diameter 3.5cm

Victorian carved ruby cabochon and diamond brooch, the ruby with carved foliate decoration, approximately 13.7mm x 15mm surrounded by a gold rope ...

of round flower head form centred on a brilliant-cut diamond in a claw setting surrounded by wavy petals. Pin in 18k yellow gold. Weight: 8.2 gram...

AQUAMARINE AND DIAMOND BROOCH Cushion and pear-shaped aquamarines Brilliant and marquise-cut diamonds, diamonds approx. 1.50cts total Measures app...

A DIAMOND BROOCH designed as a parallelogram set to the centre with a transitional cut diamond of approximately 0.57 carats, accented by three row...

SUZANNE BELPERRON, AN AQUAMARINE, RUBY AND DIAMOND BROOCH, 1955-1970 in 18ct yellow gold, set with an octagonal step cut aquamarine of approximate...

BULGARI, A FINE VINTAGE DIAMOND BROOCH the scrolling brooch set throughout with round brilliant and baguette cut diamonds, the diamonds all totall...

VAN CLEEF & ARPELS, A FINE DIAMOND BROOCH, 1930S in platinum, the openwork brooch set throughout with transitional cut diamonds and accented by tw...

AN ANTIQUE ART DECO FROSTED ROCK CRYSTAL AND DIAMOND BROOCH in platinum, set with a rectangular frosted rock crystal, accented by two rows of old ...

A DIAMOND BROOCH / PENDANT the scrolling foliate body set throughout with round brilliant, transitional and single cut diamonds, suspending a roun...

A BELLE EPOQUE DIAMOND BROOCH the scrolling body set with single and old cut diamonds, suspending a garland set with further diamonds and two diam...

OPAL AND DIAMOND BROOCH Centering a heart-shaped opal, measuring 21.50 x 23.00 x 5.50mm, within a floral wreath surround set with rose and old bri...

ART-DECO JADE, ENAMEL AND DIAMOND BROOCH, High carat gold. Carved green jade center plaque. The surmount with black and red enamel, in good condit...

VICTORIAN PERIDOT AND DIAMOND BROOCH Vibrant peridot with no abrasions Diamonds bright and lively, totalling approx. 3.30 ct. 3.7 cm diameter 1...

VICTORIAN LAPIS LAZULI AND DIAMOND BROOCH, High carat gold. Lapis well matched. Fine wire-work design. L. 6.4 cm. 13.1 grams.

An early 20th century silver and gold, turquoise cabochon and single-cut diamond foliate brooch, estimated total diamond weight 1ct, length 3.6cm,...

A CULTURED PEARL AND DIAMOND BROOCH, CIRCA 1960 Of fan-shaped palm design, centring a cultured pearl cluster of grey tint, highlighted with brill...

AN EARLY 20TH CENTURY DIAMOND BROOCH Of lozenge-shaped openwork design, centring a flower motif, millegrain-set with old European-cut diamonds, h...

An Early 20th Century Diamond Brooch of openwork scroll form, set throughout with old cut and rose cut diamonds, suspending a single old cut diam...

A Late 19th Century Enamel and Diamond Brooch the red enamel lozenge shaped plaque in a yellow rubbed over setting, within a border of rose cut d...

A Synthetic Sapphire and Diamond Brooch the central round brilliant cut diamond flanked by four square synthetic sapphires to either side, with ...

DIAMOND BROOCH, 1950s of knot design set with brilliant-cut and baguette diamonds, 3 x 2.5cm

DIAMOND BROOCH designed as a textured coronet, accented with brilliant-cut diamonds and cultured pearls, 3cm x 1.5cm