A diamond and red gem set stickpin. Designed as eight

Garnet, Diamond, Platinum-Topped, 14k Yellow Gold Stickpin. Designed as a pansy, the top two petals composed of pear shaped garnet cabochons, accented by eight rose-cut diamonds, set in a platinum-top

A diamond-set chick. The rose-cut diamond bi-colour chick, with red gem eye. Formerly mounted as a stickpin. Length 1.2cms. Weight 2.5gms. Overall condition good. Minor surface scratches/wear in keepi

A diamond and gem-set pendant and pair of earrings. The pendant designed as an oval-shape red tourmaline and citrine collet, with rose-cut diamond cluster surround and an integral fancy-link chain, wi

Tests 18k yellow gold Designed with a colorful braided silk necklace suspending a domed pendant embellished with red and green enamel floral motif terminating with a cluster of tablet-cut diamonds an

An 18ct gold diamond and gem-set necklace. Designed as a series of geometric panels, with oval sapphire and ruby cabochon collet detail, to the pave-set diamond highlights. Estimated total diamond wei

A diamond and gem-set brooch. Designed as a series of brilliant-cut diamond accent carved rock crystal flowers, atop a carved nephrite jade leaf. Estimated total diamond weight 0.10ct. Length 7.3cms.

A diamond and gem-set brooch. Designed as a woven basket, with circular-shape ruby accents and single-cut diamond collet rim, displaying a spray of diamond, emerald and ruby floral clusters. Estimated

A diamond and gem-set brooch. Designed as a carved mother-of pearl and amethyst floral spray, with onyx and brilliant-cut diamond basket. Total diamond weight 0.40ct, stamped to mount. Length 4cms. We

A diamond and gem-set necklace. Designed as a square-shape emerald, sapphire and ruby swag, gathered by brilliant-cut diamond highlights, to the figaro-link back-chain. One sapphire deficient. Estimat

An 18ct gold diamond and gem-set brooch. Designed as a giardinetti, with brilliant-cut diamond openwork basket and marquise-shape ruby, sapphire and emerald flowers. Estimated total diamond weight 0.2

A diamond and gem-set brooch. Designed as a pheasant, the pave-set seed pearl and turquoise body, with circular-shape diamond tail. Length 4.7cms.

DAVID WEBB: AN 18K GOLD, DIAMOND, AND GEM-SET RING Designed as a heavily textured knot set with an oval cabochon ruby and emeralds, with full-cut diamond accents, in platinum and 18k gold, weight 13.4

A diamond and gem-set bracelet. Designed as a series of square-shape emerald, ruby and sapphire lines, with brilliant-cut diamond double-C spacers, to the fancy-link chain. Estimated total diamond wei

Vintage White Gold, Diamond, and Gem-Set Brooch designed in a shaped lozenge form with allover filigree decoration, set with old European and old single cut diamonds weighing approximately .26 total c

Two diamond and gem-set brooches. Each designed as two carved amethyst and vari-cut diamond flowers, to the carved nephrite jade leaves and gathered stems. Estimated total diamond weight 0.15ct. Lengt

A pair of diamond and gem-set earrings. Each designed as a circular-shape tsavorite garnet and rose-cut diamond openwork dome, suspending a seed pearl and tsavorite garnet bead fringe, to the rose-cut

A pair of diamond and gem-set earrings. Each designed as a square-shape diamond, within a circular-shape black-gem detachable square surround. Estimated total diamond weight 0.50ct, I-J colour, SI cla

A pair of diamond and gem-set earrings. Each designed as a pave-set seed pearl and blue gem cabochon heart, suspended from a seed pearl and diamond accent bow surmount. Length 3.1cms. Overall conditio

Two 9ct gold diamond and gem-set rings. Each designed as a ruby or sapphire three-stone ring, with diamond spacers. Estimated total diamond weight 0.10ct. Hallmarks for 9ct gold. Weight 5.3gms.

An early 20th century diamond and gem-set insect brooch. Designed as an old-cut diamond fly, with oval-shape sapphires highlights and circular-shape ruby eyes, atop a plain bar. Estimated total diamon

A composite early 20th century gold diamond and gem-set negligee necklace. Designed as two goldstone bead and seed pearl drops, suspended from a rose-cut diamond bar, with integral fancy-link chain. L

Three diamond and gem-set rings. The first designed as a circular-shape ruby and single-cut diamond line inset to the textured band, together with two equivalent rings set with emerald and sapphire. R

Two diamond and gem-set bracelets. The first designed as a 9ct gold bracelet comprising a series of oval-shape gemstones with undulating spacers, the second designed as an oval-shape amethyst line wit

Two diamond and gem-set rings. The first designed as an old-cut diamond collet diagonal line with asymmetric sides, the second designed as a 9ct gold oval-shape emerald with single-cut diamond surroun