2

The Poltimore Tiara. Designed as a graduated line of cushion-shaped and old-cut diamond clusters alternating with diamond-set scroll motifs, each surmounted by old-cut diamond terminals, to the collet-set diamond line, mounted in silver and gold, circa 1870, 19.2 cm maximum diameter, convertible to a necklace and eleven brooches, with screwdriver and brooch fittings, in fitted blue leather case. Sold for £926,400 on 13 June 2006 at Christie’s in London© Christie's Images Ltd 2006

3

 

A late 19th-century diamond tiara-necklace. The graduated scrolling old-cut diamond-set panel, with central stylised shell motif and trefoil surmount, to a pear-shaped diamond-set finial, with associated fine-link chain necklace, mounted in silver and gold, central panel detaching to form a pendant / brooch, later adapted, tiara frame deficient, circa 1880, 40.2 cm. Sold for £8,125 on 2 December 2015 at Christie’s in London© Christie's Images Ltd 2015

4

A late 19th-century diamond tiara. Sold for £8,125 on 11 December 2013 at Christie’s in London, South Kensington© Christie's Images Ltd 2013

5

 

A late-Victorian pearl and diamond tiara, circa 1890. Sold for £10,000 in Important Jewels on 29 November 2017 at Christie’s in London© Christie's Images Ltd 2017

6

 A Victorian diamond star parure, circa 1870. Comprising a tiara, the front set with six graduated old-cut diamond flowerhead clusters, each interspersed by an old-cut diamond collet and similarly-set graduated triangular intersections, surmounted by nine detachable star motifs, mounted in silver and gold. 30 cm. Sold for £317,000 on 13 June 2017 at Christie’s in London. © Christie's Images Ltd 2017

7

A superb Art Deco diamond tiara, by Cartier. Composed of five graduated shield-shaped clips, each tapered brilliant and baguette-cut diamond panel raised on the similarly-set diamond frame, circa 1930. Sold for £277,250 on 13 June 2012 at Christie’s in London© Christie's Images Ltd 2012

8

 

An early-20th-century diamond tiara. Of tapering bandeau design, the central line of millegrain-set old-cut diamond accents within a pavé-set rose-cut diamond undulating border and similarly-set outer frame, circa 1910, 20.5 cm. Sold for £17,500 on 30 November 2016 at Christie’s in London© Christie's Images Ltd 2016

9

  

An early-20th-century diamond tiara-necklace. Composed of a graduated series of rose and old-cut diamond millegrain-set foliate motifs alternately set between diamond collet accents raised on knifebar connections, with rose-cut diamond line below and similarly-set detachable backchain, mounted in platinum and gold, circa 1900. As a necklace 37 cm long, original case. Sold for £15,000 on 27 November 2013 at Christie’s in London© Christie's Images Ltd 2013

10

 

An Edwardian diamond tiara. Designed as a group of three old brilliant-cut diamond graduated sunburst star panels, each with central diamond cluster to a radiating surround of similarly-set rays, mounted in silver and gold, detaching to form three brooches or a hair slide, four additional fittings, circa 1900. Largest star 5.7cm, in fitted case. Sold for £15,000 on 30 November 2016 at Christie’s in London© Christie's Images Ltd 2016

11

A magnificent antique diamond tiara, by Fabergé. Designed as a series of graduated old-cut diamond arches with knife-edge collet spacers, the central pear-shaped diamond flanked by three briolette and one old-cut diamond, each with diamond collet and leaf surmount to the foliate band, on gold wire frame, mounted in silver and gold, circa 1890, 13.2 cm wide, with Russian assay marks for gold. Sold for £1,050,400 on 13 June 2007 at Christie’s in London© Christie's Images Ltd 2007

12 

A Belle Époque enamel and diamond tiara, by Chaumet. Of kokoshnik design, composed of a series of graduated translucent royal blue plique-à-jour enamel curved panels, each overlaid with old-cut diamond trailing forget-me-not floral motifs, interspersed with collet-set diamond lines, to the cushion-shaped diamond openwork cartouche centre and similarly-set upper border, circa 1910, mounted in platinum and gold, with a later fitted case. Sold for CHF 677,000 on 10 November 2015 at Christie’s in Geneva© Christie's Images Ltd 2015

13

A late 19th-century diamond tiara, composed of a graduated series of old-cut diamond flowerhead and foliate clusters, clusters detachable, accompanied by various alternate brooch, stickpin and earstud mounts, circa 1890, mounted in silver and gold, in fitted horseshoe shaped case with compartment to base for fittings. Sold for £75,000 in Important Jewels on 29 November 2017 at Christie’s in London. © Christie's Images Ltd 2017