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
Pair of Art Deco emerald, ruby and diamond clip brooches, Paris, maker's mark for Henri Lavabre, of geometric triangular design and each centred by a large polished emerald bead, the emeralds earlier and probably Indian, possibly Mughal,
Art Deco sapphire and diamond bow brooch by Mauboussin, Paris, the openwork centre of buckle design featuring an oblong cushion cut sapphire of approximately 1.25ct,
Art Deco ruby, diamond, sapphire and demantoid garnet open rectangular brooch, French, of buckle design with central band of geometric vari-coloured gem flowers,