A hardstone and gem-set 'bird' brooch by JAR Paris. Photo courtesy Christie's.

Designed as a carved hardstone head of a falcon within a circular citrine and yellow garnet surround, made in 1997.

A pair of gold and amber ear clips by JAR Paris. Photo courtesy Christie's.

Each of circular design, set with a large cabochon amber, enhanced by engraved gold dot detail, mounted in 18k gold.

Pair of emerald, beryl and diamond ball earclips, by JAR Paris. Photo courtesy Christie's.

A fine pair of diamond and pearl ear clips, by JAR Paris. Photo courtesy Christie's.

A pair of sapphire, oriental pearl and diamond ear clips, by JAR Paris. Photo courtesy Christie's

A pair of multi-coloured sapphires and natural pearl ear clips, by JAR Paris. Photo courtesy Christie's.

Each designed as a lozenge set with four lozenge-shaped coloured sapphires and nine natural pearls, one set with two sapphires, one yellow and one light abricot-coloured sapphire, the other set with one sapphire, one yellow sapphire and two light abricot-coloured sapphires, made in 1982.

 A pair of ruby, pearl and diamond ear clips by JAR Paris. Photo courtesy Christie's. 

Each designed as a bombé fleur-de-lis, pavé-set with rubies, within a circular-cut diamond border, terminating with a natural pearl drop, measuring approximately 10.70 and 10.90 mm, mounted in silver and 18k rose gold.