A diamond collet chain

ROBERTO COIN - a pendant. Designed as a champagne flute, suspended from a fine belcher-link chain, with brilliant-cut diamond collet accents and signature ruby highlight. Pendant signed Roberto Coin.

An 18ct gold diamond necklace. Designed as a series of brilliant-cut diamond collets, spaced along a trace-link chain. Estimated total diamond weight 0.45ct. Hallmarks for Sheffield. Length 56cms. Wei

An 18ct gold diamond necklace. Designed as a series of five square-shape diamond collets, to the double belcher-link chain. Estimated total diamond weight 0.60ct. Hallmarks for London. Length 51.6cms.

A jade and diamond necklace. The carved and pierced jadeite panel, with brilliant-cut diamond collet drop, suspended from a trace-link chain. Estimated diamond weight 0.20ct. Length of pendant 5cms. L

An 18ct gold diamond cross pendant. Designed as a brilliant-cut diamond collet cross, with 18ct gold snake-link chain. Estimated total diamond weight 0.60ct. Hallmarks for Sheffield. Length of pendant

CHOPARD - an 18ct gold 'Happy Bubbles' diamond pendant. The free-moving brilliant-cut diamond collet, to the series of overlapping circles, suspended from a flat trace-link chain. Signed and numbered

A CULTURED PEARL AND DIAMOND STICKPIN The pin highlighting a cultured pearl measuring approximately 14.1mm., with a swag chain collet-set with round brilliant-cut diamonds, mounted in 18k gold, length

CHOPARD - an 18ct gold 'Happy Diamond' rabbit bracelet. Designed as a free-moving brilliant-cut diamond collet glazed disc, enclosed within a rabbit motif, to the belcher-link chain. Signed Chopard, 3

(3493-1-A) CHOPARD - a 'happy diamonds' necklace. The free-moving brilliant-cut diamond collet within a square-shaped surround, to the plain surmount, suspending from a belcher-link chain. Signed and

CHOPARD - a 'Happy diamond' pendant. The free-moving brilliant-cut diamond collet, within a spiral surround, suspended from a trace-link chain. Signed and numbered Chopard, 797109-5002/6149473. Conven

CHOPARD - a 'Happy Diamonds' pendant. The free-moving brilliant-cut diamond collet, with heart-shape glazed panel and polished surround, suspended from a belcher-link chain. Pendant and chain signed C

A diamond single-stone pendant. The brilliant-cut diamond collet, suspended from an 18ct gold spiga-link chain. Estimated diamond weight 0.40ct, H-I colour, SI clarity. Chain with hallmarks for Birmin

An 18ct gold diamond single-stone necklace. The brilliant-cut diamond collet and crossover bar, to the belcher-link chain with tubular and sphere beads. Hallmarks for Edinburgh. Length 45cms. Weight 1

CHOPARD - a 'Happy Diamonds Good Luck Charms' bracelet. The free-moving brilliant-cut diamond collet, within a glazed panel and hand-eye motif, to the belcher-link chain. Signed Chopard. Convention ma

A 9ct gold diamond necklace. The brilliant-cut diamond collet line drop, with similarly-cut diamond chevron sides and trace-link chain. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham.

A 9ct gold sapphire and diamond pendant. The oval-shape sapphire, to the brilliant-cut diamond collet, suspended from asymmetric curved bars, to the integral fancy-link chain. Hallmarks for Birmingham

An 18ct gold diamond pendant. The brilliant-cut diamond collet, with similar-cut diamond surround and plain surmount, suspended from an 18ct gold belcher-link chain. Estimated total diamond weight 0.2

A 9ct gold diamond and peridot cross pendant. Of openwork design, the oval-shape peridot and single-cut diamond terminals, with diamond collet centre, suspended from a 9ct gold curb-link chain. Hallma

Two gem-set pendants. The first designed as a brilliant-cut diamond collet pendant, together with a similarly-set pear-shape iolite pendant, suspended from a 9ct gold snake-link chain. Estimated diamo

CHOPARD - a 'Happy Diamonds' pendant. The five free-moving brilliant-cut diamond collets, within a heart-shape surround, suspended from a belcher-link chain. Pendant signed and numbered Chopard 246630

A DIAMOND NECKLACE, the fine trace-link chain interspersed with brilliant-cut diamonds within collet-setting, suspending an openwork pendant set with old European and single-cut diamonds throughout, c

Tiffany & Co., Elsa Peretti Long Gold and Diamond 'Diamonds by the Yard' Chain Necklace 18 kt., 12 collet-set round diamonds ap. 1.70 cts., signed Tiffany & Co., Peretti, ap. 4 dwts. Length 36 inches.

An emerald and diamond pendant collet-set with an oval-cut emerald, in a channel-set border of tapered baguette-cut diamonds, unmarked, to a flattened curb link chain stamped 18k(Length of pendant: 3c

An emerald and diamond pendant collet-set with an oval mixed-cut emerald, in a single border of fourteen round brilliant-cut diamonds, modelled in 9ct gold, to a 9ct gold trace link chain(Length: 1.5c