AN AQUAMARINE AND DIAMOND BROOCH of shield shaped design, set with a central fancy shaped cut

AQUAMARINE AND DIAMOND BROOCH Of openwork design, set with two pear-shaped aquamarines and old brilliant-cut diamonds, length 4.2cm For further information on this lot please visit Bonhams.com

IMPORTANT ANTIQUE NATURAL PEARL AND DIAMOND BROOCH, The brooch of openwork scrolling and guirland design, set with a central natural button shaped pearl of 15.72 ct. further set with 4 larger old cut

A PLATINUM, EMERALD AND DIAMOND BROOCH Featuring two shield step-cut emeralds in a circular spray design with three dangling strands set with round, marquise-shaped, square and baguette diamonds weigh

A VINTAGE BURMA NO HEAT RUBY AND DIAMOND BROOCH in scrolling fan shaped design, set with round brilliant and baguette cut diamonds, accented by a row of round cut rubies, the diamonds all totalling 3.

Antique Platinum Convertible Diamond Brooch / Pendantin an open and shaped design set with old European and old mine cut diamonds weighing between 4.0 and 5.0 total carats (I-J color, VS2-I1 clarity)

AN AQUAMARINE AND DIAMOND TIARA in 18ct white gold, in foliate design, set with pear shaped aquamarines and round brilliant cut diamonds, the diamonds all totalling 14.0-16.0 carats, stamped 750, 58.8

DIAMOND-SET BROOCH/AIGRETTE, CIRCA 1900 Of scrolling foliate design, set throughout with cushion-shaped and rose-cut diamonds, diamonds approx. 4.95cts total, length 5.8cm, fitted case by Hunt & Roske

DIAMOND STAR PENDANT/BROOCH, CIRCA 1890 Of starburst design, set throughout with cushion-shaped and rose-cut diamonds, diamonds approx. 2.95cts total, brooch fitting detachable, length 3.0cm

DIAMOND CLIP BROOCH, CIRCA 1935-40 Of stylised ribbon design, set throughout with cushion-shaped, brilliant, old brilliant, and baguette-cut diamonds, diamonds approximately 8.00 carats total, length

AN ANTIQUE PEARL DIAMOND AND ENAMEL SWEETHEART BROOCH, 19TH CENTURY in yellow gold, the bar with a central heart shaped motif, set with an old cut diamond against a ground of red enamel, within a bord

AN AQUAMARINE, EMERALD AND DIAMOND PENDANT NECKLACE the pendant of scroll design, set with a marquise-shaped aquamarine, a triangular emerald circular-cut diamonds, suspending an additional pear-shape

ANTIQUE DIAMOND DROP BROOCH, the top part of scrolling and floral design, set throughout with diamonds. Suspending a diamond set drop with a larger central pear shaped diamond of approx. 0.61 ct. Diam

An antique 14k gold bar brooch set with a central floral shaped diamond cluster, set with thirteen old European cut diamonds. Flanked on either side by pave set diamonds, and two round Old Europeancut

MOONSTONE AND DIAMOND TWIN HEART BROOCH, CIRCA 1890 Of twin heart design, each set with a heart-shaped moonstone within a rose-cut diamond surround, beneath a similarly set bow surmount, length 2.4cm

AN EMERALD AND DIAMOND RING in bombe design, set with a central heart shaped cabochon emerald within a border of round brilliant cut diamonds, stamped 18K, size M / 6, 3.7g.

Emerald, diamond, and gold pendant brooch Of scrolling and floral design, set with two pear-shaped emeralds, single and round brilliant-cut diamonds Yellow and white gold 2 x 1.50 in; Gross weight 11.

10k white and yellow gold pin brooch, set with a central round shaped cabochon opal, approximate total weight of opal 1.57ct, flanked by four old European cut diamonds, approximate total weight of dia

Each a shield-shaped design with central oval ruby cabochon, graduated oval sapphire and emerald cabochons, densely set with RBC diamonds, approx. 3.45 cts. TW. throughout and enamel accents. 18k. Sta

DIAMOND CLIP BROOCH, of openwork tapering design. Set with a larger pear shaped diamond, flanked with round and baguette cut diamonds totalling approx. 4.65 ct. W. 3.3 cm. L. 3.1 cm. 9.3 grams. With f

HENRI PICQ: MULTI GEM-SET AND DIAMOND TUTTI FRUTTI DOUBLE-CLIP/BROOCH, CIRCA 1930 Each openwork shield-shaped clip composed of twisting vines issuing from a central ogee motif, set throughout with bri

AQUAMARINE AND DIAMOND PENDENT EARRINGS Each of tassel design, set with rows of alternating pear-shaped aquamarines and brilliant and marquise-cut diamonds, French assay marks, length approx. 6.6cm

SAPPHIRE AND DIAMOND BROOCH AND EARCLIP SUITE Of openwork foliate design set with baguette and brilliant-cut diamonds and pear-shaped sapphires, the earclips of matching design, diamonds approx. 5.95

JOHN DONALD: DIAMOND, EMERALD AND SAPPHIRE BROOCH, 1989 Of 18 carat gold abstract design, the centre set with old brilliant and cushion-shaped diamonds, circular-cut sapphires and a cushion-shaped eme

An antique emerald, diamond, enamel and gold broochWith a central cluster motif set with five cushion-shaped emeralds, a single rose cut diamond and red enamel, accented by four emeralds and one round