A RARE ART DECO HARDSTONE AND DIAMOND DEVANT DE CORSAGE, BY BOUCHERON | Mosaic design | Sculpted onyx ribbon bow | Decorated with fluted jade foliate motifs | Carved coral accents | The central carved lapis lazuli knot with circular and single-cut diamond trim | Mounted in 18k white gold | circa 1925 | Signed Boucheron, Paris | Desiged by Lucien Hirtz | Mounted by Bisson.
TOPAZ AND DIAMOND DEVANT DE CORSAGE, PORTUGUESE SECOND HALF OF THE 18TH CENTURY. Designed as a stylised open work tied ribbon bow, centring on a circular cluster, suspending a pear-shaped drop, set with foil backed mixed-cut topaz, table- and rose-cut diamonds, detachable drop.
A DIAMOND AND SAPPHIRE PENDENT NECKLACE Centering upon a pear-shaped diamond-set pendant suspending a sapphire bead with foliate blue enamelled reverse to the four-row sapphire-bead necklace, pendant early century, long
Very Rare Georgian Ruby Sapphire Emerald Diamond Gold Ring circa 1760 - Giardinetti means 'little gardens' in Italian. This style of cluster originated in Italy in the late 17th century and became very popular throughout the 18th century. Typically, a giardinetti piece is made up of multi-coloured gemstones depicting a floral bouquet arranged in a basket or vase. This is a very fine and rare example.