A late Georgian old and rose-cut diamond floral brooch, previously the property of HRH Queen

A late Victorian gold, turquoise and diamond brooch. Designed as an old and rose-cut diamond floral cluster, with pave-set turquoise cabochon surround and rope-twist double border, atop two circular t

late Georgian/early Victorian brooch, one baroque pearl approx. 14 x 9.5mm added later, 99 old mine, mixed, rose and single cut diamonds estimated total weight 2.25 carats, near colorless to slight t

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

A late Georgian silver and gold rose-cut diamond brooch. Length 4cms. 7.4gms.

A late 19th century gold old and rose-cut diamond bar brooch.Principal diamond estimated weight 0.55ct, H-I colour, SI2-P1 clarity.Estimated total diamond weight 1.20cts.Length 5cms. 4.3gms.

A late Victorian silver and gold, old and rose-cut diamond crescent brooch. Estimated total old-cut diamond weight 1.30cts, H-J colour, SI clarity. Length 3.2cms. 9.6gms.

A late Victorian silver and gold old and rose-cut diamond fleur-de-lis brooch.Estimated total old-cut diamond weight 0.35ct. Length 4.1cms. 7.4gms.

14k Yellow gold and rose-cut diamond late Georgian or early Victorian shield brooch, featuring an appx. 6mm x 8mm rose-cut pear shaped diamond surrounded by eight 2.5mm-4mm rose-cut diamonds, weighs 1

A LATE 19TH CENTURY SAPPHIRE AND DIAMOND BROOCH / PENDANT an oval-cut sapphire within an openwork scroll frame of old-cut and rose-cut diamonds, suspending a sapphire pendant drop. Estimated total dia

Ladies 14K Georgian brooch and/or pendant featuring one (1) old Euro cut diamond approximately 1.51 carats, Clarity-SI1, Color-H, accented by 35 old mine cut and 12 rose-cut diamonds approximately 1.7

Rose cut diamond silver and gold floral brooch with a ruby eye insect en tremblant, diamonds in all ct. 9.50 circa, g 23.60 circa, length cm 9.70 circa. Cased by Chiaravalli IT Spilla a tralcio fiorit

A late Victorian gold and silver, old and rose-cut diamond foliate openwork necklace, with 9ct gold curb-link chain, estimated total diamond weight 3.50ct, clasp stamped 9K, length 43cm, central penda

Fine vintage Buccellati 18k floral brooch with 3 carbachol emeralds 8.5 mm diameter, each set into a flower with 90 rose cut diamonds or approx. 270 rose cut diamonds at .02 ct each total. Toned and t

A FINE ANTIQUE DIAMOND BROOCH set with an old mine cushion cut diamond of 4.00 carats in a cluster of old cut diamonds, accented by further old and rose cut diamonds to the openwork frame, the diamond

ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in high carat yellow gold, in open heart design set with a moon cabochon opal, old and rose cut diamonds totalling approximately 10.00 carats and

AN ANTIQUE BELLE EPOQUE DIAMOND BROOCH the circular open framework body with foliate and ribbon motifs, set with old and rose cut diamonds, no assay marks, 4.4cm, 17.5g.

DEMANTOID GARNET AND DIAMOND CLOVER BROOCH, CIRCA 1880 Set throughout with cushion-shaped, old brilliant and rose-cut diamonds, the trefoil leaf accented by three old-cut demantoid garnets, principal

AN ANTIQUE DIAMOND EN TREMBLANT BROOCH, 19TH CENTURY in yellow gold and silver, designed as a bouquet of foliage, with a central trembler flower, jewelled allover with old cut and rose cut diamonds al

BELLE ÉPOQUE DIAMOND BROOCH, CIRCA 1910 Designed as a stylised butterfly, the wings of openwork form with knifewire detail, millegrain-set with old brilliant, old single and rose-cut diamonds, su

ANTIQUE, MOONSTONE AND DIAMOND BROOCH Containing one round carved cabochon moonstone in a moon motif and 36 old European and rose cut diamonds weighing approximately 1.00 carat total. Mounted in silve

7.00ctw Rose Cut Diamond and 18K Rose Gold/Silver Vintage Brooch - This lovely vintage brooch is crafted of 18k rose gold and silver and has an elegant floral motif. The brooch is decorated with appro

AN ANTIQUE DIAMOND BRACELET, EARLY 20TH CENTURY in white gold or platinum, formed of alternating floral and geometric links jewelled with old round and rose cut diamonds, unmarked, 19.5cm, 34.3g.; AN

DIAMOND AND ENAMEL WING BROOCH, CIRCA 1900 Realistically modelled as a single wing, the feathers set with old cushion-shaped and rose-cut diamonds, with openwork sections creating the illusion of shad

LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925 The onyx plaque, applied with a giardinetto motif set with carnelian cabochons, old single-cut and rose-cut diamonds, the geometric border