Art Deco Platinum and Diamond Brooch, designed as a flower on fine knife-edge bars, set throughout with old European-cut diamonds, calibre-cut onyx, and suspending bezel-set diamond drops, millegrain accents, approx. total diamond wt. 6.50 cts., lg. 3 1/2 in.
An early 20th century sapphire and diamond brooch pendant The openwork plaque of fine knife-wire, millegrain set brilliant and single-cut diamond detail, its centre issuing a stylised scroll of similarly set diamonds and calibré-cut sapphires, to an oval mixed-cut sapphire drop, diamonds approx. 4.00ct. total, length 8.0cm.
An Art Deco Onyx and Diamond Brooch, Cartier, France, circa 1915. Of circular design, the plaque centering an old European-cut diamond, the body of grid motif with alternating patterns of onyx and smaller old European-cut diamonds diamonds, bordered by a continuous course of calibre-cut onyx and a row of diamond quartets between onyx arrows, mounted in platinum, signed Cartier
http://rubies.work/0871-ruby-pendant/ ALBION ART Historical Jewelry - Ancient Gold, silver, diamond, sapphire brooch, Sapphire intaglio: 17th century, setting: 19th century, Made in Germany, Private Collection.
A pair of diamond pendent earrings Of geometric design, each brilliant-cut diamond suspended within an openwork single-cut diamond halo and pierced geometric surmount, to an articulated similarly-cut diamond surmount, principal diamonds approx. 2.80ct. total, remaining diamonds approx. 0.85ct. total, length 3.8cm. Art Deco or Art Deco style
Gold, silver, and diamond brooch, set with an octagonal sapphire engraved with the arms of Johann Hugo von Orsbeck (1634-1711), appointed Archbishop Prince Elector of Trier, 13 July, and Bishop of Speyer, 16 July 1676, Abbot of Prum and Provost of Weissenburg. Now framed within a foliate border. German. Sapphire intaglio: 17th century. Setting: 19th century. Click for source and additional commentary by Diana Scarisbrick