One of a kind. A stunning platinum diamond-filigree Edwardian bar pin with 14-karat yellow gold pin stem. Gump’s is forever treasure hunting for the best of everything and our collection of estate jewelry— featuring rare antique pieces — is no exception. Distinguished in provenance, each item is one-of-a-kind, reflecting its distinctive gemstones, materials and craftsmanship. 1 diamond, est. 0.30ctw. 41 diamonds, est. 1.75ctw. 3 1/4"L x 1/2"W.