A collection of jewels

A collection of jewels including a black diamond demi-parure, comprising: a set of three black diamond bead necklaces, longest length 87cm; and a matching pair of black diamond stud earrings inset with brilliant-cut diamonds, post fittings; a pair of gold and lapis lazuli drop earrings, hook fittings; length 4.8cm each; an onyx medallion pendant centring on a gold shou character, length 5.1cm; a gold and diamond pendant of stylised Arabic calligraphy, to a fine gold chain, pendant length 4.2cm, chain length 47cm; a pair of tubular link white gold necklaces enclosing cubic zirconias, length 42.5cm each; a turquoise and diamond bangle, mounted in gold, inner circumference 16.5cm; a gold bracelet accented with a brilliant-cut diamond heart; an aquamarine and diamond pendant on chain, chain signed Boodles; a synthetic ruby horseshoe pendant; a citrine, prasiolite, smoky quartz and diamond pendant on a phrenite bead necklace, pendant length 6.1cm; a mother of pearl and diamond medallion pendant, length 7.1cm; a mother of pearl and diamond butterfly ring; size O1/2; a pair of cultured pearl and diamond rings; each size Q; a pair of floral stud earrings set with multicoloured sapphires and brilliant-cut diamonds, post fittings, each diameter 1.5cm; a pair of simulated malachite and diamond stud earrings, post fittings, length 1.4cm each; a gold and diamond bracelet, length 18cm; a gold ring; size N; and a yellow sapphire and diamond pendant; pendant length 3.8cm, chain length 37cm, each marked 750