J.E. Caldwell Art Deco 6.60 Carat Diamond, Emerald and Onyx Platinum Bracelet

This Art Deco J.E. Caldwell & Co. platinum bracelet features 6 carved jade motifs separated by diamond and onyx links. The links contain approximately 1.95 carats of single cut diam...

Art Deco diamond and sapphire platinum bracelet. The center stone of this bracelet is a 0.65 carat marquise shaped diamond with G color and SI clarity, it is surrounded by 40 old mi...

J. E. Caldwell & Co. Art Deco platinum emerald and diamond ring. Two cushion cut emeralds weighing a total of 1.37 carats are set on either side of one Old European Cut diamond weig...

A J.E. Caldwell sapphire and old european cut diamond three-stone ring—a captivating union of a deep blue sapphire and sparkling old diamonds, weaving a story of enduring elegance an...

An antique pair of sapphire and diamond earrings crafted by J.E. Caldwell, with timeless elegance and meticulous craftsmanship. The centerpiece of this ring is a 1.66 carat unheated...

David Webb flexible platinum 5 row diamond bracelet accompanied by a David Webb box and David Webb certificate of authenticity. This David Webb bracele...

A very fine period Art Deco stick pin. With rows of diamonds and onyx encircled by diamonds in a round platinum setting. Unmarked for fineness. S...

This Art Deco Onyx Platinum Pendant has 1.50 carats in the Diamond Surround. The Onyx Plaque is 2.9 cm This simple onyx Pendant works with almost anything you wear. The Diamonds a...

A magnificent, fine and impressive, large antique 1930s 8.13 carat diamond and platinum Art Deco brooch; part of our diverse antique jewelry and estate jewelry collections This magnificent, fine and impressive antique diamond brooch has been crafted in platinum. This geometric Art Deco brooch is ornamented to the center with a feature bezel set 1.30Ct Old European cut diamond. The central diamond is encompassed with horizontal pales embellished with thirty-eight pavé set Old European cut diamonds, accented to either end with seven further diamonds within rounded segments. This symmetrical millegrain decorated frame bears four impressive Art Deco swept collar motifs emanating from the central design, each incorporating four swept rays, ornamented with a total of twenty-six pavé cut diamonds. This large and intricate brooch features a paralleling oval border conjoining the aforementioned four cardinal swept motifs, in addition to a rectangular cut cornered border to the outer edge. These impressive borders are ornamented with forty-four pavé set Old European cut diamonds, completing the design. The brooch secures to the reverse with a hinged pin and catch. This Art Deco brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. The antique 1930s Art Deco brooch in platinum is supplied with an independent diamond grading certificate for the feature diamond, in addition to an independent diamond grading report card for the supporting stones. Condition This magnificent and large antique brooch...

Striking vintage style brooch from our special Haruni atelier holding a 8.60 carat emerald at its centre set in yellow gold, surrounded by 108 del...

This enticing platinum bracelet from the 1950s. features sparkling round, pear, baguette and marquise cut diamonds that weigh approximately 20.00ct. The color of the diamonds is F-H ...

An Art Deco platinum charm pendant designed as a lady’s fan set with sapphires, emeralds and diamonds. Unmarked but tested for platinum. Sapphi...