Art Deco 1.65 Carats Sapphire Cabochon Diamond Halo Platinum Vintage Stickpin

Centering a round button pearl measuring approximately 4.0 mm; cream in body color with silvery overtones and excellent luster Surrounded by 1.00 carat of transitional cut diamonds,...

Designed as two gemstones bezel set as cherry motif completed by stem and leaf One cherry as a cushion cut sapphire weighing approximately 0.48 carat, transparent and vividly royal ...

Featuring a bezel set old pear cut diamond Weighing approximately 0.80 carat with K/L color with SI2 clarity Tested as platinum Circa: 1900 Head measu...

Flower brooch is designed as a dynamically petaled pansy Centering a bezel set old European cut diamond weighing approximately 0.40 carat; K color with SI clarity Surrounded by gem...

Centering a pear cut diamond weighing approximately 0.30 carat - K color with SI1 clarity Set in miligrain detail bezel with pierced floating halo surround Inlaid with onyx - opaque...

Designed as a perched dove with hand engraved details Set throughout with rose cut diamonds; eye-clean and white Tested as platinum Circa: 1910 Dove measures: 13.5 x 6.6 mm Tota...

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...

A stunning, fine and impressive vintage 1.65 carat diamond and 0.48 carat ruby, 18 karat yellow gold and 18k white gold set flag brooch; part of our diverse diamond jewellery and estate jewelry collections. This stunning vintage brooch has been crafted in 18k yellow gold with an 18k white gold setting. The brooch has been modelled in the form of a pennant flag*. The triangular pennant flag is embellished with a total of forty pavé set transitional modern brilliant round diamonds, encompassing a single 0.48ct round faceted cut ruby. The flag is further ornamented with a paralleling yellow gold rope twist decorated border. This ruby brooch features a plain cylindrical flag pole, accented with a knop to the terminal. The brooch secures to the reverse with a hinged pin and clasp fastening. This ruby and diamond flag...

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...

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...

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...

Art Deco Certified Cabochon Emerald & Diamond Brooch A platinum brooch set with an emerald cut G colored diamond with a clarity grade of SI1 weighing 2.10 carats, 2 Colombian emeral...