Vintage platinum diamond brooch containing one round bezel set diamond, center, along with baguette diamonds on either side

One electronically tested platinum ladies cast & assembled diamond brooch. Two and one-half inch length brooch features a

Ladies platinum diamond brooch featuring a floral and ribbon design containing prong set round and European cut diamonds

Antique Art Deco estate platinum and diamond brooch a tested platinum art deco brooch featuring 5 old European cut center

Art Deco Platinum and diamond brooch. a tested platinum art deco brooch featuring a rectangular step cut center diamond

Antique Colombian Emerald, Gold, Diamond and Platinum Brooch, Bracelet top, with center oval cut emerald approximately 4-5

NICHOLAS VARNEY, YELLOW GOLD, PLATINUM AND DIAMOND BROOCHConsisting of brushed and polished undulating gold surmounted with

DKPlatinum, Coral & Diamond Brooch Antique· This is a most for a collector. The weight is 16.1 grams. The length is 2 ¼

Art Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and

Antique Art Nouveau Old European Cut Diamond, Gemstone and Platinum Bow Brooch. Set in the center with an approx. 1.0 carat

VINTAGE TIFFANY & CO. 3ct PLATINUM BROOCH PINBrooch measures 1.85" H x 1.75" WVintage Tiffany & Co. Platinum 3ct Diamond bow

TIFFANY & CO 950 PLATINUM WITH DIAMONDS AND SAPPHIRES:BROOCH :BRAND: TIFFANY & CO. :STONES : :1 PEAR SHAPE DIAMOND:107