Art Deco ruby, diamond, sapphire and demantoid garnet open rectangular brooch, French, of buckle design with central band of geometric vari-coloured gem flowers,
with a principal cushion cut ruby to the middle, approximately 0.75ct, the pave set diamond ground featuring stylised flowerheads of ruby with diamond petals, demantoid with sapphire petals, citrine collet accents, accent edges and detail in calibre cut sapphires and rubies, the outer rectangular frame set with old single, cushion and rose cut diamonds, millegrain set and mounted in platinum and white gold, French assaymarks, French workshop mark (indiscernible), fitted case (unmarked) Length 6cm / 2 3/8''
Width 3.1cm / 1�''
Central ruby approximately 6.4 x 6.3 x 2.3 Weight: 21.5g
Early 20th century emerald and diamond panel brooch, English c.1915, probably by London & Ryder, of garland style, the openwork hexagonal panel centred by a trio of oval cabochon emeralds,
Art Deco aquamarine and diamond leaf cluster clip brooch by Cartier, Paris, of stylised arrowhead design with rectangular cut aquamarines fanning from a central diamond line stem,
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,
Art Deco ruby, diamond, sapphire and demantoid garnet open rectangular brooch, French, of buckle design with central band of geometric vari-coloured gem flowers,