A Saint Andrew's Cross, bar brooch, octagonal panel calibré-set with sapphires and old-cut diamonds

A VINTAGE SAPPHIRE AND DIAMOND BAR BROOCH in 14ct yellow gold, in scrolling form set with a row of alternating round cut sapphires and old cut diamonds, stamped 14, 4.0cm, 4.5g. 

Antique Two gold and diamond brooches Comprising a fox hunting brooch with diamond eyes; and a bar brooch set with old European-cut diamonds and circular-cut sapphires Yellow gold Fox brooch 2. x 0.75

The exceptionally fine handmade art deco brooch is set with 212 old mine cut diamonds, 20 square calibre cut diamonds and 52 calibre cut sapphires set in platinum. The brooch has an approx. diamond we

SAPPHIRE AND DIAMOND DOUBLE CLIP BROOCH, CIRCA 1955 Of scrolling design, set with calibré-cut sapphires in concealed settings and brilliant, old brilliant and baguette-cut diamonds, diamonds app

A diamond, sapphire and seed pearl brooch. The circular-shape sapphire and old-cut diamond crescent, set atop a knife-edge bar, with seed pearl and old-cut diamond highlights. Estimated total diamond

AN EARLY 20TH CENTURY SAPPHIRE, PEARL AND DIAMOND HORSESHOE BROOCH, a horseshoe set with graduated old-cut diamonds, to a knife-edge bar set with a pearl and round-cut sapphires, total estimated diamo

An early 20th century diamond and gem-set insect brooch. Designed as an old-cut diamond fly, with oval-shape sapphires highlights and circular-shape ruby eyes, atop a plain bar. Estimated total diamon

ANTIQUE DIAMOND AND SAPPHIRE HORSESHOE BROOCH in yellow gold, of bar design, set with a horseshoe motif set with alternating old cut diamonds and cushion cut sapphires, unmarked, 3.3cm, 2.2g.

DIAMOND AND SAPPHIRE RING Of panel design set with old brilliant-cut diamonds and calibré-cut sapphires, principal diamond approx. 1.10cts, ring size approx. K

IMPORTANT 19th CENTURY MALTESE CROSS DIAMOND PENDANT/BROOCH, of openwork design, set with old cut diamonds totalling approx. 13 ct. The central diamond weighing 1.61 ct. L. 7 cm. 16 grams. With a fitt

A SAPPHIRE AND DIAMOND BROOCH The openwork brooch set with a central circular-cut sapphire, within a surround of old brilliant-cut diamonds in square millegrained settings, further issuing curved rows

AQUAMARINE AND DIAMOND BROOCH, CIRCA 1950 The octagonal-cut aquamarine within an openwork geometric frame set with single, old brilliant and baguette-cut diamonds, length 3.7cm For further informatio

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri

DIAMOND-SET 'SAINT ESPRIT' PENDANT/BROOCH, SECOND HALF OF THE 19TH CENTURY With slightly articulated wings, set throughout with old brilliant, cushion and rose-cut diamonds, the eyes set with pink gem

CARTIER: SAPPHIRE AND GEM-SET MINIATURE TREE BROOCH, CIRCA 1925 The umbrella-shaped miniature tree formed from a single carved sapphire, with single-cut diamond trunk, in an old brilliant and single-c

Centering a round cabochon turquoise in a pierced millegrain platinum motif, set throughout with old full and single cut diamonds with calibré cut gemstone flowers and turquoise detailing; total diam

Pair of Art Deco-Style Diamond and Sapphire Drop Earrings platinum, each with a central old European-cut diamond within a ring of calibre-cut sapphires, in navette-shaped plaques set with round brilli

KOCH: ART DECO SAPPHIRE AND DIAMOND GIARDINETTO BROOCH, CIRCA 1920 The pierced vase millegrain set with old brilliant, single and rose-cut diamonds, issuing similarly-set leaves and carved sapphire fl

FABERGE, A SAPPHIRE AND DIAMOND BROOCH in circular design, set with two foliate clusters of cabochon sapphires, accented by stems set with single cut diamonds, within a border of graduated old cut dia

ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approx

HENNEL, AN IMPORTANT ART DECO ROCK CRYSTAL, EMERALD AND DIAMOND BRACELET, 1929 comprising a row of eight octagonal polished rock crystal links, connected by links set with panels of calibre cut emeral

ART DECO SAPPHIRE AND DIAMOND BROOCH, 1930S in platinum, designed as a bow, pave-set with circular-cut diamonds, accented with calibre-cut sapphires, estimated total diamond weight 12.00-14.00 carats,

a finely crafted antique bar brooch measuring 3.8 cm in length, containing five round mixed cut sapphires (unheated) weighing approximately 1.60 carats total, 18 caliber cut emeralds, and six old Euro

MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old