Art Deco Diamond, Coral, Black Onyx And Platinum Brooch, Circa 1935, 1.02 Carats

An Art Deco diamond brooch, set with Edwardian-cut diamonds, in an open work, navette shaped plaque, mounted in platinum, circa 1925, with a gold pin, numbered 8994, with inventory n...

An Art Deco plaque brooch, with a rhombus-shaped outline and a geometric and foliate openwork design, set with old brilliant-cut diamonds, weigh...

An Art Deco diamond and platinum bow brooch, finely pavé set with old style eight-cut diamonds, with cheneered gallery, mounted in platinum, with a white gold pin and roller catch, n...

An Art Deco sapphire and diamond brooch, designed as a figure of eight or bow, set with old-cut and eight-cut diamonds and calibre cut sapphires, mounted in platinum. Estimated total...

An open circular brooch, pavé set with round brilliant-cut diamonds, with a diamond bow set across the centre, set with round brilliant-cut and baguette-cut diamonds, mounted in plat...

A pair of Art Deco, coral, black onyx and diamond cufflinks, with a diamond set in the centre of three, diagonally set, black onyx squares in a square geometric design, with coral ri...

A stunning, fine and impressive 1.02 carat emerald and 11.88 carat diamond brooch in platinum; part of our authentic antique Art Deco jewellery/jewelry collection This stunning, fine and impressive antique brooch has been crafted in platinum. The pierced decorated Art Deco frame features an impressive 1.02ct emerald cut emerald flanked with tiered motifs embellished with a total of twenty-eight square cut diamonds. The central geometric setting is further embellished with fifty pav© set diamonds, in a combination of Old European and eight-cuts. This stunning diamond and emerald brooch is ornamented with a segmented, angular frame ornamented with eighty-eight diamonds. The exceptional Art Deco setting incorporates collar designs to the cardinal points, accented with a total of seventy-eight diamonds, in a combination of square, Old European and eight cuts. The brooch secures to the reverse with a hinged pin and sheath style fastening. This versatile brooch incorporates a ring loop attachment to the reverse of the setting, allowing the piece to be worn horizontally as a pendant. This antique brooch is supplied with an independent diamond and gemstone grading report card. This stunning brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. 'Rather than regarding inclusions in coloured stones as harmful, in small sizes and numbers that do not in any way detract from their beauty, they should be regarded as adding to desirability, for they provide identifying characteristics.' Reference:The Connoisseur's Guide to Precious Gemstones, R. Wise, Brunswick House Press. Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone. Condition This original 1920s Art Deco brooch...

An delightful Cartier Art Deco brooch, the brooch comprising an openwork rectangular plaque with two central coral bars with rock crystal sides...

Chic black jade & diamond brooch, circa 1935. Made with 60 rose half-moon jades; 1 cushion diamond 4.71 carat; 1 rose cut diamond 2.85 carat; 6 old mine diamonds approximately 5 ca...

An Art Deco platinum brooch with onyx and diamonds. The brooch has 82 calibre cut onyx stones with an approximate total weight of .40 carat, and 49 Old European cut diamonds with an ...

This original antique piece features a 5.8mm cabouchon onyx diagonally set from a fine quality old cut diamond weighing approximately 0.40ct both rubover set onto a Deco design bar b...

An Art Deco platinum brooch with diamonds and onyx. The brooch has milgrain-set old European-cut diamonds with an approximate total weight of 6.50 carats, H/I color, VS clarity, with...