Art Deco 12.75 Carat Unheated Burma Sapphire and Diamond Platinum Bracelet

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 diamond bracelet accented with emeralds and onyx set in platinum. The center stone is an approximately 0.60 carat marquise cut diamond with G-H color...

Art Deco platinum and 14k yellow gold Burma ruby and diamond clip on earrings accompanied by an AGL report. These ear clips feature 20 mixed shape unheated Burmese rubies weighing a...

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

Michael Beaudry Amber Victorian Garden bracelet containing approximately 5.43 carats of diamonds set in platinum with 18k yellow gold accents. The center stone of this bracelet is a GIA certified 1.58 carat fancy vivid yellow-orange marquise cut diamond. The bracelet also contains an additional 2 marquise and 2 radiant cut fancy color diamonds totaling approximately 1.60 carats, as well as a mixture of round and lily cut diamonds...

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 Platinum Diamond Ruby Sapphire Stickpin Consistent with age and use please see the photos for condition Please ask for more photos if you n...

Brooch in platinum, dog head hallmark, and 18 karat white gold, eagle head hallmark. Long antique barrette brooch, it is decorated in the center of 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...

Wreath style brooch is comprised of ribbon-like scrolls - alternating sections of sapphires and diamonds Sapphires are a very well matched royal blue while weighing approximately 2....

This timeless antique diamond and sapphire pin brooch is crafted in solid platinum. Displaying of geometric art deco patterns set in round-cut, square-cut, and triangular-cut diamonds weighing approx. 3.50 carats, graded H-I color, and VS2-SI clarity. Offset by two adjacent round-cut and 12 square cut genuine royal blue sapphires weighing approx. 1.25 carats. Pin brooch weighs 10.6 grams and measures 57mm wide x 15mm long. Secures with a trombone clasp...

Centering an oval shaped sapphire cabochon weighing approximately 1.29 carats total. Transparent medium to dark blue in color - bezel set with a pierced halo surround. Comprised of o...