11.21 Carat Diamond and Platinum Brooch, Art Deco Style, Antique, circa 1920

A stunning, fine and impressive antique 1920s 4.27 carat diamond and platinum Art Deco lapel brooch; part of our diverse antique jewelry and esta...

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...

A stunning, fine and impressive antique Art Deco 3.05 Carat diamond and platinum brooch; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive antique brooch has been crafted in platinum. The Art Deco brooch has been modelled in the form of a geometric tied ribbon bow with zig-zag decoration. The knot of the bow design is ornamented with forty-one impressive pavé set diamonds and each side of the bow is embellished with a further seventy-one pavé set diamonds, in a combination of Old European round and eight cuts. The diamond brooch secures to the reverse with a hinged pin and sheath style fastening. This geometric diamond brooch...

A stunning, fine and impressive 7.10 carat diamond brooch in platinum; part of our authentic antique Art Deco jewelry/jewelry collection. This...

A stunning, fine and impressive Art Deco 2.16 carat diamond and platinum brooch; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive diamond brooch has been crafted in platinum and in the Art Deco style. The pierced decorated, subtly convex rectangular design is ornamented with a central feature 0.41ct Old European round cut diamond, within a square shaped platinum setting. The feature diamond is flanked on either side by two perpendicular collet set eight cut diamonds. The symmetrical millegrain bordered setting is further ornamented with a total of fifty-eight impressive eight cut diamonds. The stunning antique brooch secures to the reverse with a hinged pin and push fit fastening. This 1920s platinum diamond brooch...

A stunning antique 1930s 6.82 carat diamond and platinum brooch; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive antique diamo...

This sublime Art Deco brooch is new to our collection. Beautifully set with a stunning selection of Rose Cut, Eight Cut and Old European Cut diamonds totalling an estimated five car...

Elegant Viennese Art Déco Platinum Brooch With Numerous Old Cut Diamonds. Elongated shape with fine open worked hand made milgrain setting, centered with five larger stones, middle s...

Stunning Platinum Art Deco Filigree Brooch with 9 Diamonds. Totaling .40 Carats. Color F/G Clarity VS/SI1. Matching Ring is also available. Th...

This square brooch is set in Platinum and has 49 round brilliant cut diamonds, 2 Trilliant cuts and 2 Baguette cuts for a total diamond weight of 4.25 carats. In the center is an em...

Item Details: Metal Type: Platinum with Gold Pin [Hallmarked, and Tested] Weight: 5.8 grams Diamond Details: .75ct total weight, Natural Diamonds, Old European Brilliant Cut, F-G Col...

Item Details: This antique brooch has an Art Deco design and is studded with diamonds at two carats total. The diamonds are a mix of marquise and old European cut...