Ostertag Necklaces

This 1960's vintage Boucheron piece of jewelry is a dual clip lapel brooch crafted in platinum and comprises masterfully designed, naturalistically inspired and diamond swathed scrol...

A lovely pendant with a fine gem-quality emerald in the center. The emerald weighs 0.75 carats and has a rich and bright vivid green color which is just so fine and pleasing to the e...

Finely detailed vintage Art Deco era onyx & diamond pendant/brooch (circa 1920s to 1930s), crafted in platinum & 10 karat yellow gold. Old European & rose cut diamonds total an e...

Interesting and distinctive estate Art Deco period platinum diamond and emerald pendant with a central design of a diamond eye framed by emeralds. The generous bale has an unusual feature of opening and closing which allows for wear on a wide ribbon or necklace. Wonderful workmanship with articulation at five points of the pendant. Prized for streamlined, elegant designs and excellent quality Art Deco jewels...

An antique diamond, platinum, and yellow gold convertible brooch and pendant, comprising eighty-eight old cut and rose cut diamonds, set in platinum, and backed in 18 karat yellow go...

Elevate your style extravagantly with this Platinum Diamond brooch pendant. The platinum setting features an old European cut diamond i...

This heart pendant measures 23 x 18 mm and includes the chain bail to accommodate a 4 mm width. The emeralds are a hunter, jewel green alternating by round brilliant diamonds. The pe...

Claris-A offers this Art Deco platinum diamond pendant brooch, designed as an elongated navette-shaped plaque with a geometric openwork composition and a central oval diamond. The su...

An Edwardian emerald and diamond pendant/brooch, the pear-shaped emerald, weighing approximately 2.20 carats, accompanied by GCS ...

–Stone(s)– (1) Natural Genuine Diamond - Old European Cut - Pave Set - Nice Brilliant White Diamond - 0.08ctw (approx.) Material: Solid 14k White Gold Chain & Pin - Brooch/Pendant ....

Super exotic looking Emerald and Diamond Brooch come Pendant. Add this to your collection and be ready to complimented everytime you wear th...

Stunning original Art Deco diamond brooch handcrafted in platinum. The pin features a center approximately 1.00 carat antique cushion cut diamond and 2 old European cut diamonds weighing approximately 1.60 CTW. The 30 side diamonds weigh another 1.50 CTW. The diamonds are graded I-J color and SI clarity. The brooch is shown and sold with a 20 inch vintage white gold chain...