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Good vintage Art Deco style diamond brooch, platinum, set with estimated 1.5-2cts diamonds, weight: approx 8.61 grams, size:4.5cm wide

A vintage ruby and diamond bar brooch, with later millegrain set fine oval ruby estimated as 0.70ct adjacent to 2 old European cut diamonds totalling an estimated 0.20ct, length 72mm, unmarked tests 14ct.

A Belle Epoque diamond brooch, modelled as a bow, the finely saw pierced frame set throughout with early round brilliant and rose cut diamonds, mounted in platinum, boxed

A jadeite and diamond brooch, of pierced design, set with three carved jadeite panels and single and rose cut diamonds. Platinum. Weight 6.13 grams. Length 5cm. Width 12mm

A French platinum Deco style diamond brooch pierced geometric design centring a round brilliant cut diamond estimated as 0.50ct surrounded by 6 baguette and 210 graduated single cut diamonds, estimated diamond weight 217 = approx. 6ct. Dimensions 63 x 35mm

Sapphire and diamond brooch, early 20th century, Centring a circular-cut sapphire collet-set bet ween a pierced out surround millegrain-set with scissor-cut sapphires and old-cut diamonds to open work shoulders similarly set with sapphires terminating in f

Diamond double clip/brooch, early 20th century, the open work geometric plaque pave-set with circular-cut diamonds bet ween baguette diamond accents, the diamonds together weighing approximately 4.50 carats, mounted in platinum, approximately 45 x 20mm, br

Diamond set hand made bar brooch. Central diamond (approx.045ct) with Three shoulder diamonds to each side. Unsure of metal. Wt. 4g

9ct amethyst seed pearl & diamond brooch, antique deep purple amethyst multi claw set within a, circle of approximately twenty seven rose cut, diamonds and an outer circle of seed pearls, hinged bale, brooch fitting and screw fitting to the reverse. We

A lovely antique pearl and diamond set brooch, platinum, made as a large stylised feather and ribbon motif brooch of large size, featuring fine curved and looped rails of grain and claw set old and single cut diamonds, graduated in size throughout each sec

Vintage 9ct bar brooch with agate and diamonds, weight: approx 3.5 grams

An Art Deco diamond and enamel camel brooch, the pierced circular diamond set panel featuring an enamelled camel amongst diamond set palm trees, with further sapphire and emerald detail, mounted in platinum. Condition: some wear to the enamel, diamonds are

A diamond set vintage brooch. Platinum, crafted as two waved bars of grain set small old cut diamonds, terminating at each end with a single larger claw set diamond, centrally dropping to a triple cluster of three larger old cut diamonds, claw set, totalli

Antique 18ct open locket brooch with diamonds and pink stones, glass locket back, total weight: approx 13 grams

A diamond spray brooch, the stylised spray set throughout with round brilliant cut diamonds, mounted in platinum. Condition: brooch presents in excellent condition. Diamonds are colour G, clarity Vs in Leonard Joels opinion.

9ct Victorian diamond crescent brooch, a 9ct pierced frame with graduating old mine cut, diamonds approximately 1ct in a crescent shape. Colour G-H, Clarity VS2? SI, width 2.5 cm

Antique 15ct, diamond and turquoise spider brooch size 27 by 27 mm, set with 11 turquoise cabochons and 11 old cut diamonds and a rose cut diamond in the spiders nose. Good condition. Weight 5.07 grams,

An Art Deco diamond plaque brooch, of pierced design set with single and old brilliant cut diamonds. Platinum. Weight 7.86 grams. Length 4.2cm.

A Plique a Joure enamel silver butterfly brooch, set with 7 round brilliant cut diamonds and 2 cultured pearls. Width 52mm

Antique diamond platinum brooch, an oval filigree plaque with a central, marquise shape set with three diamonds, approximately 1.49cts. Open filigree set with mixed cut diamonds

An Art Deco diamond brooch, centrally set with an emerald cut diamond of 0.50cts, surrounded by ten early round brilliant cut diamonds totalling 2.10cts, set throughout with further round and baguette cut diamonds, mounted in platinum.

An antique opal and diamond brooch, centrally set with a free form polished boulder opal in a pierced foliate frame set with mixed cut diamonds, mounted in platinum.

An Art Deco diamond, pearl and platinum bar brooch. Estimated total weight of diamonds 0.95ct. Weight 12.2g.

A beautiful antique diamond plaque brooch. Platinum, handcrafted, indistinct makers mark to outer edge rail, circa 1910, crafted as a beautiful scalloped tri panel plaque, featuring a central quality old cut diamond of approximately 1.10ct, bezel set, flan

A beautiful antique diamond and sapphire butterfly brooch. Platinum, circa 1900, crafted as a large styled butterfly with detailed flared wings, finely pierced throughout and grain set to each section with single and old cut diamonds, further detailed to b

A sterling silver Plique a jour enamel dragonfly brooch, set with cabochon amethysts and round brilliant cut diamonds. Dimensions 67 x 47mm.

A Plique a jour diamond and pearl butterfly brooch, featuring 7 round brilliant cut diamonds set in silver. Width 50mm.

An Art Deco diamond bow brooch, centring an old European cut diamond estimated as 0.60ct enhanced by a further 49 old European, single and rose cut diamonds. Length 52mm. Wt. 7.8g.

Vintage platinum diamond floral spray brooch. Platinum diamond set brooch with a 7mm CZ centre, stone and 66 round brilliant cut and baguette diamonds, grain set to stems and leaves. Colour H/I Clarity VS-PI. Weight 11.24grams.

Diamond and sapphire brooch, circa 1920 Terminating on an egg motif pierced and millegrain-set with circular-cut diamonds embellished at intervals with lines of step-cut sapphires, suspended from an open work bar brooch similarly set, the diamonds and sapp

Platinum, south sea pearl, diamond and morganite 'Flutter' brooch/necklace, Paspaley Composed of twenty-nine cultured pearls graduating from approximately 15.20 to 13.12mm, completed by a platinum clasp modelled as a butterfly embellished with morganite an

A fine French platinum diamond double clip brooch, of stylised floral design, set with single, round and baguette cut diamonds, with two detachable panels, export marks, mounted in platinum

An Art Deco diamond plaque brooch, of pierced design and set throughout with old brilliant, transition and single cut diamonds, estimated weight of centre stone 0.65 carat, estimated total weight of fifty-nine diamonds 5.29 carats. Pin marked 950, Makers m

A sapphire and diamond brooch, circa 1910, the rectangular step cut blue sapphire of known weight 21.66 carats in a pierced diamond set frame. Platinum. Weight 12.1 grams. Length 4.4 cm. Width 2 cm. Accompanied by GSL Gemstone Authentication Report number

A diamond floral spray brooch, set throughout with old brilliant and single cut diamonds, the centre stone of the larger of the two diamond flower heads measuring an estimated 3 carats. Platinum. Weight 33.41 grams. Length 7.3cm.

Vintage citrine and rose cut diamond brooch, some diamonds replaced with CZs, brooch is low grade silver

A Georgian diamond floral brooch, the floral spray set throughout with rose cut diamonds, mounted in silver.

A beautiful Art Deco diamond brooch. Handcrafted in platinum, fitted to original box by the Goldsmiths & Silversmiths Company Ltd London. Presented as a petite detailed plaque brooch of open cut cornered rectangular form, centrally detailed by a marquise s

An antique diamond and onyx bow brooch. Art Deco, platinum, presented as a small stylised bow brooch with exaggerated points to each bow piece, framed throughout with channel set rectangular panels of black onyx, centred by four grain set sections of old c

Art Deco diamond double clip brooch, platinum, diamonds weighing approximately 4 carats, with removable frame, to be worn separately as clips, weight approximately 23.3 grams