A BELLE EPOQUE SAPPHIRE AND DIAMOND BROOCH Bezel-set with a cushion-cut sapphire, within a collet-set diamond surround, to the rose and old European-cut diamond daisy motif frame, mounted in platinum, circa 1910
A cushion-shaped sapphire (weighing carats); with pear, marquise-shaped & brilliant-cut diamonds (wgt. mounted in 18 karat white & yellow gold. Piece is a detachable brooch pin & pendant, signed Tiffany & Co.
Ruby and Diamond Brooch w the central cushion-shaped ruby and old-cut diamond cluster to the diamond openwork surround, mounted in silver and gold, cm wide, reverse engraved 'Vente des diamants de la Couronne Mai
SPINEL AND DIAMOND PENDANT-BROOCH, CIRCA The scrollwork cartouche set with 67 old European-cut diamonds weighing approximately carats, centering a cushion-shaped red spinel weighing approximately carats, mounted in silver and gold, brooch pin detachable.
A BELLE EPOQUE SAPPHIRE AND DIAMOND BROOCH Bezel-set with a cushion-cut sapphire, within a collet-set diamond surround, to the rose and old European-cut diamond foliate motif frame, mounted in platinum, circa 1910
The brooch belonged to The Romanovs (Paul I) since the century - gold, silver, diamonds & spinels. The biggest spinel was put into The Grand Imperial Crown of Russia. Kept by the Diamond Fund, The Kremlin, Moscow
SAPPHIRE AND DIAMOND BROOCH, ca. Of foliate design set with four sapphire and diamond oval clusters each centring on an oval sapphire within a surround of brilliant-cut diamonds, interspersed with brilliant-cut diamond set leaves.