A DIAMOND AND ENAMEL BROOCH, EARLY 20TH CENTURY in

A DIAMOND AND ENAMEL BROOCH, EARLY 20TH CENTURY in platinum and yellow gold, the oval body of openwork design, set with a central old cut diamond between panels of blue guilloche enamel, accented by f

An early 20th century 'Egyptian Revival' gold and silver calibre-cut ruby, diamond and enamel 'Khepri' scarab beetle brooch.Estimated total diamond weight 0.65ct.Foreign marks. Length 6cms. 17.7gms.

AN EARLY 20TH CENTURY DIAMOND SETTER DOG BROOCH realistically modelled with textured fur, with a black enamel collar set with an old-cut diamond. Pin marked '18', 2.2cm by 4.8cm, 8.5 grams The brooch

Three items of late 19th to early 20th century jewellery. To include a bar brooch, the central anchor motif, set with diamonds, to the wreath surround and red enamel crown above, together with a brooc

A DIAMOND BROOCH, EARLY 20TH CENTURY in 14ct yellow gold and platinum, the scrolling body set with a fan of rose cut diamonds, accented by further rose cut diamonds and an articulated diamond drop, st

A BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliate body suspending swags, jewelled throughout with old European, single and rose cut diamonds, the dia

AN ART DECO RUBY, EMERALD, SAPPHIRE AND DIAMOND PIN BROOCH, EARLY 20TH CENTURY, POSSIBLY BY CARTIER in 18ct white gold, the pin terminated by concentric circular motifs articulated to rotate within on

NO RESERVE - A PERIDOT AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY, Made in 18 carat white gold and platinum, Octagonal step cut peridot, weighing approximately 3.71 carats, Single cut diamonds, Stampe

AN ANTIQUE TURQUOISE AND ENAMEL ROYAL PRESENTATION BROOCH, EARLY 20TH CENTURY in yellow gold, depicting King Edward VII and Queen Alexandra's cipher, surmounted by a crown / coronet decorated with red

ART DECO DIAMOND, ONYX AND ENAMEL PENDANT, EARLY 20TH CENTURY the pendant of tapering design, set with rose cut diamonds accented by polished pieces of black onyx and bands of black enamel, suspending

An early 20th century diamond brooch. The old-cut diamond, within a similarly-cut diamond ribbon surround, suspending an old-cut diamond two-stone drop. Estimated total diamond weight 0.75ct. Length 3

AN ANTIQUE AMERICAN RUBY, SAPPHIRE AND DIAMOND BIRD BROOCH / PENDANT, TIFFANY & CO EARLY 20TH CENTURY designed as a flying bird set with round and step cut rubies, French cut sapphires and rose cut di

AN EARLY 20TH CENTURY OPAL AND DIAMOND BROOCH / PENDANT a cluster of heart-cut opals within an openwork frame of further opals and eight-cut diamonds. Estimated total diamond weight 0.40ct, 4cm by 2.5

An early 20th century emerald and diamond brooch. The cylindrical emerald drop, with rose-cut diamond cap, suspended from a similarly-set floral cluster. Length 3.8cms. Weight 6.9gms.

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND BROOCH an oval-cut sapphire spaced by old-cut diamonds and oval-cut sapphires milgrain-set within a pierced wing frame. Estimated total diamond weight 0.30ct

An early 20th-century diamond bar brooch millegrain-set with two round brilliant-cut diamonds, rose-cut diamond detail, unmarked(Length: 6.5cm)

An early 20th century ruby and diamond brooch. Length 4cms. Total weight 5.9gms.

An early 20th century diamond foliate brooch. Of circular outline, the openwork scrolling panel, set throughout with rose and old-cut diamonds. Estimated old-cut diamond total weight 0.20ct. Diameter

An early 20th century diamond bar brooch. The old-cut diamond floral cluster, with knife-edge bar sides and similarly-cut diamond collet terminals. Estimated total diamond weight 0.70ct. Length 5cms.

An early 20th century sapphire and diamond brooch. The kite-shape sapphire, with single-cut diamond surround, similarly-cut diamond line sides and old-cut diamond terminals. Estimated total diamond we

ANTIQUE GOLD, DIAMOND AND ENAMEL PIN FORMED AS TWO PANSIESEarly 20th CenturyOld mine-cut diamonds, diameters approx. 3.0mm and 2.8mm, the smaller champagne-colored. Unmarked. Length 1.25”.Approx

Russian Sterling Diamond & Enamel Bolin Box. With fitted box. Antique 19th C or early 20th C sterling silver, guilloche enamel and diamond box. Hallmarked for silver and maker in two places. Measures

AN EARLY 20TH CENTURY NATURAL SALTWATER PEARL AND DIAMOND BROOCH, three natural button pearls within an old-cut diamond-set foliate frame and suspending a pearl and diamond pendant drop. Estimated tot

An antique late 19th - early 20th century Russian 14K gold brooch. The oval brooch has a geometrical rim and an engraved depiction of a flower bouquet. The flower buds are set with diamonds of differe